The Best Smart Lock With Key Backup We've Tested: Top Reviews by Experts

6-in-1 Keyless Entry Smart Lock: Touch and Go 360° Fingerprint ID + Anti-peep Keypad + Smartphone + Auto Unlock + Shake to Open + Mechanical Key

Control Your Ultraloq Smart Lock via Bluetooth: Lock, unlock, share access and see a Log of who’s entered and exactly when they did using smartphone App. Grant access to your family, guests or service people via a code or an eKey for permanent access, specific dates or periods of time. Ultraloq Bridge WiFi Adaptor is required for remote access (sold separately).

Auto Lock and Auto Unlock: Smart Lock automatically locks as you leave and unlocks when you arrive at your door with your smartphone in your pocket. 360° Live Fingerprint ID. Just one touch to unlock your smart lock. No more fumbling around for keys. Stores up to 100 fingerprints. Up to 50 customizable 4-8 digit codes for backup.

Certified Highest Security and Durability: ANSI/BHMA A156.36 Commercial Grade 1. Proven for up to 35 times strength of standard residential locks along with a 7 times longer lifespan. IP65 rated dust and weatherproof external Smart Lock built to withstand heat and cold.

DIY Installation: Replace your current deadbolt with just a screwdriver. Backed by Ultraloq, world’s leading smart lock brand with more than 1 million happy American users. Plus lifetime mechanical warranty and 18 months electronic warranty.

[Rental Hosts & Homeowners] Sifely smart door lock is a great solution for airbnb short-term rental hosts, rental property management, and self-housing resident. Generate passcode remotely and share it to your visitors.

[Multiple Ways To Unlock] Advanced 5-in-1 Keyless Entry Smart Door Lock: Fingerprint + Code + Fob + Smartphone + Key.

[Easy Installation] Easy to install in minutes with just a phillips screwdriver. No extra drills needed. No locksmith needed. Door handle is reversible for both left and right handed doors. Due to lock size, it may interfere with screen doors.

[Remote Control] If paired with Sifely WiFi Gateway (Optional Add-on, Sold Separately), you can lock/unlock your smart door lock anywhere anytime, set up codes remotely and check real-time access logs.

[Satisfaction Guaranteed] App/Software is free to use forever. No hidden charges or long-term costs. 30-day money back guarantee, 1-year product warranty and a lifetime customer support following the date of purchase.

Control Your Ultraloq Smart Lock Anytime, Anywhere: Unlock, share access and see a Log of who's entered and exactly when they did remotely using smartphone App with WiFi Bridge included. Share ekey or code remotely to your family, guests or service people for permanent access, specific dates or periods of time. Connectivity: 2.4GHz WiFi (802.11 b/g/n)

6-in-1 Keyless Entry Smart Lock: Touch and Go 360° Fingerprint ID + Anti-peep Keypad + Smartphone + Auto Unlock + Shake to Open + Mechanical Key

Auto Lock and Auto Unlock: Smart Lock automatically locks as you leave and unlocks when you arrive at your door with your smartphone in your pocket. Voice control with Alexa and Google Assistant. Works with IFTTT. Compatible with Apple Watch.

Certified Highest Security and Durability: ANSI/BHMA A156.36 Commercial Grade 1. Proven for up to 35 times strength of standard residential locks along with a 7 times longer lifespan. IP65 rated dust and weatherproof external Smart Lock built to withstand heat and cold.

DIY Installation: Replace your current deadbolt with just a screwdriver. Backed by Ultraloq, world’s leading smart lock brand with more than 1 million happy American users. Plus lifetime mechanical warranty and 18 months electronic warranty.

6-in-1 Keyless Entry Smart Lock: Fingerprint + Anti-peep Keypad + Smartphone + Auto Unlock + Shake to Open + Mechanical Key

360° Live Fingerprint ID: Just one touch to unlock your door with your fingerprint from any angle

Anti-peep Keypad with Backlight: You can type in any number of random digits, and can still gain access as long as the 1 correct password is embedded in the longer set of numbers.

Auto Unlock: Unlocks when you arrive with your smartphone in your pocket using GeoFencing technology.

Auto Lock: Relocks automatically for added security and convenience..Share the Access to Your Home: Grant access to your family, guests or service people via a code or an eKey for permanent access, specific dates or periods of time..DIY Installation: Designed to fit any US standard door (1 3/8 to 2 inches thick. 2 1/8 inch face bore hole). No wiring and no drilling..Long Battery Life: Up to 8, 000 times access with 4 AA batteries. Low battery alarm on the lock and smartphone app..Protect You and Your Data: Premium metal construction for strength and durability. 18 months electronic and lifetime mechanical . Dual Data Encryption makes it impossible to unlock your door without your permission..Match Home Aesthetics: One of the most compact smart deadbolts in the market

【Quick and Easy】Our fingerprint padlock can be easily operated by a simple touch on the fingerprint pad, and opens in less than a second. The lock can store up to 100 fingerprints, flexible and convenient for owner to authorize the use with family and friends. Great for gym, school, office, cabinet, tool boxes, bikes, outdoor sheds and public storage.

【Precise engineering】Our padlock is very smart. It is equipped with a fast, precise biometric fingerprint module, installed with the latest secure algorithm logic technology, to enable the lock to recognize your fingerprints and opens instantly. The IP65 weatherproof rating protects the lock from rain and dust, suitable for outdoor uses.

【Heavy Duty and High Security】Our padlock is built with heavy duty alloy metal and Boron Steel to yield high body rigidity and solid security. Durable TPU material body shield and PVD plated shackle protect the surface of your locked items. The lock has ASTM Grade 3 rating and can withstand a pulling force of over 1000 pound with its patented Double Ball Rollers locking mechanism.

【Easy Charging】With our advanced lithium battery technology, one quick charge via its small Type C port supports thousands of openings, or up to 6 months of usage, giving you a long-lasting and worry-free security. The smart padlock will remain locked when it is out of battery, a simple connection to a USB power bank supply resumes normal operation instantly.

【Peace of Mind】A back up key is provided as an emergency opening option.

Control Your Ultraloq Smart Lock Anytime, Anywhere: Lock, unlock, share access and see a Log of who’s entered and exactly when they did remotely using smartphone App with Z-Wave. Share code remotely to your family, guests or service people for permanent access, specific dates or periods of time. Requires compatible Z-Wave hubs or Ultraloq Bridge sold separately.

6-in-1 Keyless Entry Smart Lock: Touch and Go 360° Fingerprint ID + Anti-peep Keypad + Smartphone + Auto Unlock + Shake to Open + Mechanical Key.

Works with Z-Wave Plus, Home Assistant, Compatible with Apple Watch. Voice control with Alexa and Google Assistant. Requires Ultraloq Bridge or compatible Z-Wave hubs such as Samsung SmartThings, Hubitat and Ezlo (Vera) etc, sold separately.

Smart Auto Lock and Auto Unlock: Smart Lock automatically locks if your door closes with door sensor and unlocks when you arrive at your door with your smartphone in your pocket.

Certified Highest Security and Durability: ANSI/BHMA A156.36 Commercial Grade 1. Proven for up to 35 times strength of standard residential locks along with a 7 times longer lifespan.

IP65 rated dust and weatherproof external Smart Lock built to withstand heat and cold.

DIY Installation: Replace your current deadbolt with just a screwdriver. Backed by Ultraloq, world’s leading smart lock brand with more than 1 million happy American users. Plus lifetime mechanical warranty and 18 months electronic warranty.

【3 Ways To Unlock 】 Unlock the fingerprint padlock by thumbprint, FREE app and 2 backup keys, ensure the keyless padlock can be unlocked no matter what kind of problem occurs. You need to activate the padlock with your finger when unlocking by Bluetooth, and then the Bluetooth distance should not exceed 3.3ft.

【Big Metal Keyed Padlock 】 Bluetooth padlock size is 3-3/4 L x 2-5/16 W x 13/16 H inch, Full metal body and slide design.Protecting the biometric recognition area well. High security for locker lock. Easy to set up and quick to open.

【Long Standby Time 】 The padlock with keys has 6-8 months standby time. Charging with power bank, laptop ,charging block(DO NOT CHARGE THE PADLOCK WITH HIGHER VOLTAGE THAN 5V/2A). the setting still be saved after recharging when the power off.

【Free APP Control】 You can authorize 200 users and set their unlock period time for friends, neighbors, staff , check battery and the unlock position/records via the APP.

【IP65 Weatherproof for Outdoor Use】 IP65 weatherproof protects the smart lock against dust and water for outdoor use, garden gates, farm gates, school lockers, fences, cabinets, tool boxes, fishing tackle boxes, warehouses, bicycles etc..

【Keyless Fingerprint Padlock with Key Backup】- A smart padlock with high-tech fingerprint sensor technology and auto-recognition function. Farewell to cumbersome numbers, your finger is the key, do not have to worry about losing the key or being stolen. Please set the administrator fingerprint after you getting the lock, otherwise, anyone can unlock by any fingerprint. A back up key is provided as an emergency opening option.

【Sturdy Structure and Waterproof】-The fingerprint lock body is made of aluminum alloy and the lock beam is made of stainless steel for superior cut resistance, the seamless joint is great for anti-thief,anti-dust and anti-erosion.; IP66 weatherproof protects against dust and water but not for extended outdoor use in rain or snow

【USB Rechargeable】-- This smart fingerprint padlock equips with a 240MAH lithium battery, which has low power consumption and long standby time. It can unlock for about 2500 times in one charge. It will remain locked when out of battery, simply charge it with a USB power supply(not over 5V) and it will resume working

【360° Fingerprint Recognition】-- Friendly to kids and elderly, no need for an app, key, or Bluetooth. Just follow the direction in the guidebook to enter or delete the fingerprint, Move the finger at multiple angles when entering the fingerprints, to better recognize the fingerprint when unlocking

【Wide Uses】-- For indoor and outdoor use, gym lockers, suitable for suitcases, golf bags, handbags, school lockers, furniture, wardrobes, bicycle and other goods that you want to protect

【Rugged Construction】: The padlock beam is made of stainless steel for excellent tamper resistance. IP65 weatherproof protects against dust and water. Kindly attention: The padlock is not recommended for extended outdoor use in rain or snow.

【Smart Lock】3.7V rechargeable lithium battery, 150mAh capacity, 30-minute quick full charged. Unlock 1000 times continuously. Living fingerprint including advanced fingerprint identification chip, quick unlock in 0.5 second.360° Fingerprint recognition. Unclear fingerprint can be identified.

【SAFE and CONVENIENT FINGERPRINT PADLOCK】NO APP, NO Bluetooth, NO APP. No need to worry about privacy exposed. Never need to worry about key lost for fingerprint is your key. Open the door with only one hand when carry the heavy things.

【Heavy and Sturdy PADLOCK】IP65 material, waterproof and dustproof. Scratch proof Zinc alloy padlock body and 303 high stainless steel shackle. Portable padlock, only 3.1*2.0*0.8Inch, 6.4 ounces

【Widely Uses】This fingerprint lock can be used as a school or office locker lock, gym lock, luggage lock, suitable for suitcases, golf bags, handbags, backpacks, furniture, wardrobes, bicycle. Hasp, fence and storage outdoor.