Keyless Electric Lock Stainless Steel Brass Low Consumption Smart Cylinder Lock with Emergency Interface Item Type: Keyless Electric Lock Material: Stainless steel(handle), brass(Lock cylinder) Uses: Suitable for home use, hotel apartments, government units Applicable APP: For TTLock Suitable Door: Anti theft door, wooden door Suitable for Door Thickness: Approx. 40mm-100mm / 1.6-3.9in Lock Body: CN standard, European standard, large lock body Open Method: APP, card, password, key Password Capacity: 30 sets of passwords RF Card Capacity: 200 Mechanical Key: Magnetic induction key Working Power: 3 x AAA (excluded) 3.6V-5V Emergency Power Supply: MicroUSB Standby Current: <10uA Working Current: <135mA Adapt to Temperature: -20℃-70℃ Installation Time: No drilling, no need to replace the lock body, installation time < 5 minutesTest after Installation: 1. Check whether the door town is firmly installed on the door and whether the handball can open normally. 2. After connecting to the power supply, the motor reverses, and the handball is idling before turning it. Enter the initial password to see if the door can be opened normally. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin