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 re‑open 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 Lock1 x Lock Box2 x Remote Control1 x Power Adapter1 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.