... seconds Applications:Wireless home security system, Car anti-theft alarm system, Car keyless entry system, Car sunroof remote control, Vehicle central locking system, Wireless call ... Parameter: FrequencyFixed:315Mhz/ 433Mhz/ 330Mhz/ 868Mhz/ or customiseTransmitting distance50-100m in open placeMaterialABS case, metal frame, with key ringVoltageDC 12VChip of fix ...