Dual temperature controller YK-285 digital thermometer

dual temperature control Features: dual window display and control temperature, lighting control, power switch, set memory Control range: -45 ~ 45 ℃ Display range: -45 ~ 80 ℃ Accuracy: ± 1 ℃ Input signal: two channel temperature measuring sensor (fresh, frozen control), 10K X 2 meters Refrigeration compressor relay: normally open 30A/250VAC (can be used for 1P compressor, beyond the converter) Refrigeration compressor relay: normally open 30A/250VAC (can be used for 1P