Specification: Item Type: Electric Bolt Lock Material: Aluminium Alloy Color: As shown in the picture Product Size: Approx. 200x35x40mm / 7.87x1.38x1.57in Weight: Approx.579g/20.4oz Security Type: Power off and unlock Applicable Occasion: Access control system, building intercom system Application: Any framed door or non-framed glass door needs to be equipped with a bracket Applicable Environment: -10~+55 How to Use Drill holes, use tools, install the plate on the door, and then install the lock. Package List: 1 x Lock 1 x Baseboard 1 x Accessory 4 x Screw 4 x Bolts 1 x Sticker 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.