Catalog > Consumer Electronics > Security & Alarms > Alarms > Alarm Systems Wireless Panic Button Wireless Panic Button for GSM Alarm System 433.92Mhz Transmit distance : 100m line of site GSM PANIC EC100 Wireless Panic Button for GSM Alarm System • 433.92Mhz Transmit distance : 100m 51.00 ZAR inc for 1 Each 4 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Working Voltage : 12VDCBattery Life : about 1 year (if operated 3 times Daily)Wireless Frequency : 433.92 MHZTransmission Range : 60~100mWorking Current (mA) : 8~20Static Current(uA) : 3