Product name: Electronic smart lock color blue Material: alloy steel Lock type: biometric lock Product weight: 6.17 oz Shape: Round About This Project Smart Holiday Gifts: Say goodbye to cumbersome password combinations. You can only unlock the smart lock with your finger for a fraction of a second. Don& 39;t be afraid to lose your key or forget your password. The fingerprint lock can register up to 100 sets of fingerprints. You can also authorize and share the lock with family/friends. DURABLE DESIGN: The padlock beam is made of stainless steel with excellent burglary resistance. IP65 weatherproof, dust and water resistant. PLEASE PAY ATTENTION: Padlocks are not recommended for long-term outdoor use in rain and snow. Bluetooth Function: Connect the smart lock to the free mobile app via Bluetooth. You can use the app to enroll fingerprints, unlock, set up authorized users, view the last 1000 unlock activities, and more. Lightweight, portable and versatile: The fitness lock is compact and can be carried around anywhere. MEGAFEIS Bluetooth fingerprint lock is suitable for indoor and outdoor gyms, schools, offices, doors, gates, fences, garages, warehouses, cabinets, awnings, suitcases, bags, luggage, bicycles, etc. Long working time: The smart lock consumes less power and has a longer standby time. USB rechargeable 150mAh lithium battery can support up to 6 months standby time or 2 months (2500 unlocks) without recharging. When the battery runs out, the smart lock will remain locked and can be restored by simply connecting it to a USB power supply. Product size: as shown in the picture, this data is measured by the seller himself, considerate service, let you buy it with confidence (error 1-2 mm) Supplied quantity: 1 piece