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. 1、With door close time delay function, will lock until the door completely stop moving, effectively protect the door and lock from damage. 2、The new structure optimization design, more stable and more secure. Ultra?low?power design, more durable and more environmentally friendly. 3、The positive and negative poles are energized and locked, and the power is turned off to unlock, which meets the national fire protection requirements. 4、The lock body is designed for anti?magnetic failure. After being locked, it will not be interfered by the outside world to prevent illegal insertion of the card. 5、Widely used in access control system, building intercom system. An important tool for maintaining families, nursing homes, schools and other places.1. Please allow 1?2in 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. 1 x Lock 1 x Baseboard 1 x Accessory 4 x Screw 4 x Bolts 1 x Sticker 1 x English Manual