Compact and beautiful appearance design; 4-key control Using wireless radio frequency technology, the transmission distance is long, non-directional, high transmission sensitivity and no signal obstruction With LED working status indication Application: Family/mall anti-theft alarm system; Various doors and windows, electric car, car, motorcycle, vehicle alarm, controller and other industrial control Working voltage: DC12V Battery: CR2032 Current: 12mA Frequency: 868MHz Power: 10mW Transmission distance: 50-100 meters Frequency deviation: 0.2MHz Transmission speed: 50-60KHz Chip: Copy code (face to face) Operating temperature: -20C to 70C Storage temperature: -10C to 50C Compatible with: HS1-868-BS HS4-868-BS HS5-868-BS HSS4-868-BS HSE1-868-BS HSE2-868-BS HSE4-868-BS HSP4-868-BS HSD2-868-BS Color: Black & Silver Material: Plastic + Metal Package Contents: 1 x Remote Control Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement allowance is +/- 1-3cm.