Item Type: Door Access Control System Product Material: ABS Battery Model: 1 x 12V 23A Battery (1 battery per remote control) (built in) Battery Capacity: 50mAH Application: The access control system is able to block unauthorized persons and is suitable for apartments, offices, access control, restricted areas, hotel locks, school campus access control, identification, parking lot entrances, etc. Package List 1 x Controller 2 x Remote Keys 2 x Pointed Bolts 2 x Plastic Bolt Caps 2 x Plastic Terminal 1 x Infrared Harness Switch 1 x Infrared Panel 3 x Brackets 4 x Round Bolts 4 x Round Nuts 1SIMPLE INSTALLATION: Door access control system kit, with quick installation, easy to follow wireless programming, and no electrical connections required. 2WITH 12V BATTERY: Equipped with 12V 23A battery, can directly drive the electric lock, support external doorbell and switch, convenient and practical. 3EXCELLENT MATERIAL: The controller shell is made of ABS material, the panel hard shell rubber film, which has good flame retardant effect, safe and reliable. 4USED AS SENSOR: Can be used as garage door or outdoor gate security sensor, industrial automation, auxiliary measurement of parking distance, alarm sensor, etc. 5WIDE APPLICATION: Help deter unauthorized persons, idea for apartment, office, restricted area, hotel lock, school campus access control, parking lot entrance, etc.