Optional Socket&Plug: US / EU / UK / AU Version Item Name: ITC-308S + Aquarium Probe Inkbird Pre-wired Digital Thermostat Temperature Controller for Aquarium with Aquarium Probe Heating & Cooling Temperature Function for Salt Water Pool Terrarium Highlights: Heating/Cooling Differential Function could be set separately for cooling and heating to protect temperature controller from violent change. C/F Switchable Unit Support reading with Centigrade or Fahrenheit unit; Temperature Calibration; Compressor Delay Protection for refrigeration control Alarms High and low temperature alarms are available; Over-temperature and sensor fault alarm Specification : -Temperature Control Range : -40~100C/-40~212 F -Temperature Resolution: 0.1 C / 0.1 F Temperature Accuracy: 1C (-50 ~ 70C) / 1F (-50 ~ 160 F) -Temperature Control Mode :On/Off Control, Heating and Cooling -Input Power: 100 ~240VAC (US Socket: 120V; EU/UK/AU Socket: 220V) -Temperature Control Output: Max. 10A, 100V ~240V AC(US Socket: 120V; EU/UK/AU Socket: 220V) -Buzzer Alarm: High and Low Temperature Alarm -Sensor Type: Aquarium sensor (Included) -Sensor Length: 2m / 6.56ft -Dimension Body: 140x68x33mm (5.5x2.7x1.3inch) -Socket: 85x42x24mm(3.3x1.7x1inch) -Ambient Temperature: -30~ 75 C / -22~ 167 F -Storage Temperature: -20~ 60 C / -4~ 140 F -Humidity 20~85% (No Condensate) -Warranty: 12 Months Package Contents : -1 x ITC-308S Temperature Controller -1 x Aquarium Probe -1 x User Manual