King Pigeon 3G Automatic Water Level Tank Pump Controller S150 - With Android/IOS App Available. Digital input 3G alarm module with 2 output relay for home automation and M2M, USB programmable, 3G SMS alarm module Automatic controller are special for remote switch on/off machine, equipment, and also it supports digital inputs for different detectors like water level detectors, PIR motion detectors and so on. One of the advantages of them is when the inputs recovery can alert by SMS, and with one interlock Relay output, one SMS Command switch on/off relay output. 1 Alarm-Link Output Relay (240VAC3A) can be switch on 0-120minutes if controller unit triggered. 3 SMS Alert numbers and 5 Alarm dial Telephone numbers can accept to the alarm message. Wall mount or 35mm standard din rail Design, f