Main features: Window rolling up control, LED display, Electronic central lock and pneumatic central lock option Dynamic colorful LED transmitter Paging transmitting up to 2000 meters Remote transmitting up to 1000 meters FSK technology, high stability & long distance Sound, vibration, flashing LED indicate the vehicle status Anti-hijacking, emergency call & locating Transmitter dome light control and trunk release Technical Parameters: Voltage: 9 ~ 16V Current: < 20 mA Frequency: 433.92 MHz Output current ( Max): Indicator: 7.5AX2 Siren: 5 ~ 10A Central control door lock: 10A