Usage Tips:220V Digital Temperature ContrSwitch the modes between cool and heat; Control temperature by setting the temperature setting value and the difference value;Temperature calibration; Refrigerating control output delay protection;Alarm when temperature exceeds temperature limit or when sensor error.Front panel size:75(L)*34.5(W)(mm)Mounting size:71(L)x29(W)mm;sensor length:1m (include the probe)Product size75(L)x34.5(W)x85(D)mm;Technical ParametersTemperature measuring range:-50~99C;Resolution:0.1C;Accuracy:+/- 1C (-50~70C);Sensor error delay:1 minutePower supply:220VAC+/- 10%,50/60Hz;Power consumption:less than equal 3W;Sensor:NTC sensor (1PC);Relay contact capacity:Cool 10A/250VAC;Heat 10A/250VAC;mbient temperature:0~60C;Storage temperature:-30~75C;Relative humidity:20%~85% (No condensate).Material: ABSPackage Contents:1 x Mini Digital Temperature Controller Thermostat 1 x Temperature sensor probe with 1M cable 1 x Instruction Manual