... used as door sensor, motion sensor, temperature sensor, water overflow sensor, AC power failure sensor, oil pressure sensors ... Energy saving, street lights control;14. Tanks, temperatures, water leakage;15. Transformer stations;16. Unmanned machine rooms;17. ... Network, .>>>>>Specifications of Mainframe: >>Power adapter : DC 12V/1.5A>>Power consumption: 12V input, Max. 50mA/Average 50mA>>Frequency : ...