GMT智能

Enjoy a safer and more convenient life with this new GMT Doorlock! You don’t worry about DoorLock security! 1. Unlock with phone's Bluetooth 2. Gravity sensing Non Handling 3. Biometric Fingerprint 4. Defensive Black Box 5. Unlock Record 【 Warm reminder 】 The location alert feature continuously uses GPS location services, and switching to the background still keeps GPS connected, which consumes more battery power than other operations. Battery life is affected by GPS running continuously in the background