Temperature Controller : 1.Waterproof panel 2. Manually, automatically defrost by electric heater 3. Time/temp. Setting to Temperature Controller :1. Waterproof panel2. Manually, automatically defrost by electric heater3. Time/temp. Setting to end defrost4.Range: -45 to 45 degree C5.Accuracy: ±1 degree C6.Sensor: NTC, 2pcs7.Power supply: 230VAC or 120VAC, 50 / 60 Hz8.Compressor relay: 20A/250VAC9 ...