Electronic Door Lock Kit US AC110240V Rustproof 2 Wire Mechanical Keyless Home Access Control System with Feature: 1. Wide Application: The heavy duty electronic door lock kit can be used in residential houses, public gates, institutions, schools, hotels, hotel buildings, factory warehouses, etc. 2. Dual Use: The lock can be used with community intercom and access control system and used as an ordinary mechanical lock after a power failure, both mechanical and electrical control. 3. Anti Fatigue Spring: The electronic deadbolt door lock kit adopts high elastic spring, after high temperature carburizing heat treatment, better anti fatigue and elasticity, durable. 4. Excellent Performance: Keyless deadbolt access control system works at low power, low current, safe to use. The lock bolt is made of all copper casting, which is anti wear and rustproof. 5. Simple Installation: The lock can be interchanged with similar products, no need to reopen the hole for convenient replacement, just follow the correct steps to operate without modification. Specification: Item Type: Electronic Door Lock Kit Material: Copper + Brass Application: Residential houses, public gates, institutions, schools, hotels, hotel buildings, factory warehouses, etc. Use Voltage: 12V/2A Remote Control Frequency: 433mHz Power Supply Voltage: US AC110-240V Remote Control Battery Type: Built in 1PC CR2016 button battery 150mAh Package List: 1 x Door Lock 1 x Lock Box 2 x Remote Control 1 x Power Adapter 1 x Positioning Installation Paper Note: When the lock cylinder is not lubricated, an appropriate amount of pencil powder (not included) can be injected into the lock cylinder to lubricate. Please do not inject various oils into the lock cylinder. How to use: 1. To install the lock with attached screws, it is required to fasten the lock body and the door buckle shell on the door edge and door frame, the distance between the tapered end surface of the lock body and the tapered end surface of the door buckle shell is about 5 mm. 2. Observe whether the weight of the door and the door closer (if it has a door closer) are ideal. If you find that the noise is too loud or cannot be closed when the door is closed, use a No. 12 wrench (not included) or pliers (not included) to turn the hexagon nut, and repeatedly adjust the load spring until it is tight and balanced when opening and closing the door. 3. When the hook tapered end is installed in reverse, the inner unlocking can be changed to the outer unlocking, and the installation method is the same. 4. Connect the lead wires at both ends of the lock to 12V AC and DC power supply, and then press the control switch to unlock the lock, the lock will automatically open. 5. If the power does not open the door, please check whether the installation is in place or return to the factory for maintenance.