... a GSM Remote Control and Alarm Unit. it provides 4/8 relay drivable outputs(12V-24V),4 ... .>>>>>Specifications of Mainframe: >>Power adapter : DC 12V/1.5A>>Power consumption: 12V input, Max. 50mA/Average 50mA>>Frequency ... (condensation free)>>Output drive voltage: Equal to input DC voltage>>Output drive power : Drive voltage ≤35V, ... ,RTU5011,Temperature UP DOWN remote control,24V DC Switch,NC NO sensor ...