1The key box adopts highquality zinc alloy material, durable and can withstand all kinds of bad weather. 2Support mobile APP control, can send PIN codes and key to open the door through the mobile application. 3Key box will always perform ondemand and allow you instant access to your keys. 4With multiple password methods, onetime password, permanent password, timelimited password, and record query. 5Key storage box, suitable for most door handles and can be easily hung on doors, fences or other locations. Condition: 100% Item Type: Key Box Material: Zinc Alloy Battery Parameters: 4 x AAA Alkaline Batteries (Battery Not Included) Unlock Function: App, Password For Bluetooth Standard: For Bluetooth 4.1BLE Support Mobile Phone System: For Android 4.3/ for IOS 7.0 and above Low Battery Alarm Voltage: 4.8V Standby Current: 65A Working Current: Less Than 200A Working Temperature Range: -20-70 False Acceptance Rate: 0.001% Rejection Rate: 1.0% Weight: Approx. 1258g / 44.4oz Fingerprint Head Size: Approx. 195x68x43mm / 7.7x2.7x1.7in } 1 x Key Box (Battery Not Included) 1 x Rubber Mat 1 x Accessory 6 x Expansion Tube 6 x Screw 1 x Screwdriver 1 x Gasket 6 x Washer 8 x Bolts 1 x English Manual 1. Please allow 0& 8209;1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.