Item Type: Door Lock Material: Zinc alloy Weight: Approx. 840g / 29.6oz Front Panel Size: Approx. 140x60x30mm / 5.5x2.4x1.2in Back Panel Size: Approx. 160x70x50mm / 6.3x2.8x2.0in Lock Tongue Size: Approx. 55x25x80mm / 2.2x1.0x3.1in Battery Parameters: 4 x AA Batteries (Battery Not Included) Initial Password: 123456 User Capacity: 20 Groups Applicable Door Thickness: 38-48mm/1.5-1.89in Applicable Environment: Waterproof, high temperature resistance Scope of Application: Apartments, schools, hotels, dormitories, office buildings How to Use: Drill out the installation hole according to the hole drawing, use the accessories, complete the installation, and set the password. 1、Password door lock, waterproof, suitable for indoor or outdoor doors with a thickness of 38?48mm, aluminum alloy doors. 2、Fully mechanical password keypads, unique door tongue, prevent plug?in card, anti?theft, high security. 3、When the password is entered incorrectly, press the C key, and re?enter the password except for the C key. 4、It can be installed on the left?opening door or right?opening door for easy installation. 5、Perfectly suitable for apartments, schools, hotels, dormitories, office buildings, etc. 1 x Front Panel 1 x Back Panel 1 x Lock Tongue 2 x Key 1 x Fixed Plate 1 x Door Holder 1 x Baffle Plate 4 x Wood Screw 2 x Screw 4 x Fixed Screw 1 x Accessory 1 x English Manual