digital temperature controller display precision prior to 0.2FS input signal:All ... : 7A(resistance load)4, Dring solid relay signal output:driving electric current >15mA voltage >12V,period is 2S5, Driving controllable pulse ... ≤85%RH, without corrode and strong electric radiation.8, external dimension(mm): 80×120×35 put up Temperature Controller,thermometer,thermostat (XMTC)