1. Universal Wireless Alarm Button 2. Operation Voltage: 12.0Vdc 3 ... (%=@) Minew company is not only a professional RF / Wireless products design-house, but also a verified manufacturer by ... remote control, RF transmitter and receiver modules, wireless receiver control switch, wireless detectors(PIR Motion sensor, door soor, gas ... be pleased to begin working with you! Universal Wireless Alarm Button