Specification: Item Type: Fingerprint Lock Material: Zinc Alloy Color: As shown in the picture Panel Size: Approx. 255x63x48mm / 10.04x2.48x1.89in Weight: Approx.2422g/85.4oz Battery: 4 x AA battery(Not included) Unlock Method: Password, fingerprint, APP, magnetic card, key unlock Management Users: 5 Initial Password: 123456 Suitable for Door Thickness: 30~65mm/1.18~2.56in Working Temperature: -10~65 Applicable Type: Indoor/outdoor door Applicable Environment: Waterproof and high temperature resistant Application: Apartment doors, schools, hotels, dormitories, real estatesdevelopment, office buildings How to Use Open the installation hole according to the opening diagram, use the accessories, the installation is complete, download the APP "TTLock", and set the password. Package List: 1 x Front Panel(Battery Not Included) 1 x Back Panel 1 x Lock Body 1 x Door Holder 1 x Stopper 1 x Square Rod 1 x Spring 2 x Accessory 2 x Fixed Rotating Shaft Pin 1 x Wood Thread Screw 4 x Anchor Screw 4 x Screw 2 x Bolts 1 x Small Bolts 2 x Magnetic Card 2 x Keys 1 x English Manual Note: 1. Please allow 12in 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.