Features: Aluminum alloy panel and zinc alloy handle. Surface vacuum plating to prevent oxidative discoloration. The keyboard can be illuminated, waterproof, and sturdy. Five ways to open the door: Bluetooth (within 0-15 meters) + fingerprint recognition + card+ password + mechanical key. Fingerprints are identified within 0.5 S, and up to 200 fingerprints can be stored. Support garbled unlocking to prevent voyeurism. Support APP remote control, shared temporary password and dynamic password. The handle direction can be adjusted by itself. Suitable for door thickness 35-80mm, no need to worry about not being installed, can be directly replaced with ball lock. Low power consumption, up to 20,000 hours of standby time. When the battery is exhausted, it will automatically sound a tone. The keyhole is not exposed to prevent any damage. Specifications: Condition: Brand New Color: Shown as Picture Unlock Method: Bluetooth App + touch keyboard + card + mechanical key Application: for Android and for IOS Languages: English, Spanish, French, Portuguese, etc. More than 20 languages Material: Aluminum Alloy + Zinc Alloy Size: Approx. 185 * 70 * 85 mm/7.3 * 2.8 * 3.3 in (including handle height) Lock: single lock Applicable Door Thickness: 35-80 mm Opening Direction: left open / right open (can be adjusted) Bluetooth Version: 5.0 Power: 4 AA Batteries(Excluded) Static Power Consumption: 15 ua Dynamic Power Consumption: 25 mA Working Temperature: 20-40°C Package List: 1 * Door Lock 2 * Handles 1 * Lock Tongue 2 * Hanging Key Cards 2 * Mechanical Keys 1 * Mounting Kit 1 * Instruction Manual .