... or windows need to start the CCTV and Siren. A SMS reporter. The 4 Inputs activations ... Pigeon is a professional GSM Wireless Alarm, GSM Home Alarm System, GSM SMS Alarm, GSM SMS Controller, GSM Home ... , GSM Telemetry, Temperature Measurement Logger, Power Monitoring Alarm, GSM M2M Products Manufacturer since 2005. Based on ... RTU5011,Temperature UP DOWN remote control,24V DC Switch,NC NO sensor control