<b>The BTC201 temperature controller can turn on/off an electric appliances at desired temp.</b><br> <br>For example, you can use the controller to turn on/off a heater and a fridge to keep temp around 100 F. Turn on heater at 98.5 F. Turn on fridge at 105 F. Turn off the heater/fridge when temp reaches 100 F. The setting is (SV=100, Cd=5, Hd=1.5). the controller itself doesn't change temp.<br><br> <b>Main features:</b><br> 1-YEAR Warranty<br> Plug and play.<br> Maximum load: 1100W @110V or 2200W @220V(Not compatible with the 2 hot line 220V plug). <br> On/Off Control, Heating and Cooling <br> Celsius or fahrenheit read-out. <br> Temperature calibration. <br> Compressor delay protection time setting. <br> High and low temperature alarms are available(You can use this feature to alarm you when the temperature overshoots your desired temperature) <br> <br><br> <b>Specification: </b><br> 1.Power supply: AC 110V - 240V 50/60Hz <br> 2.Measure range: -58°F ~ 230°F / -50°C ~ 110°C <br> 3.Temperature resolution: 0.1 <br> 4.Accuracy: ±0.5<br> 5.Working mode: Heating and Cooling mode <br> 6.Max span between turn-on degree and turn-off degree is 25 <br> 7.Control resolution: 0.1<br> 8.Power consumption: less than 3W <br> 9.Relay contact capacity: 10A<br> 10.Store setting after power off: YES<br> 11.Compressor delay protection: YES<br> 12.High and Low Temperature alarm: Yes<br> 13.Product size: 4.9x4.5x1.9 inch (12.5x11.5x5 cm) <br> 14.Sensor Cable length: 3m(9.8ft) <br> Advanced function: <br> 1.Switch temperature unit(Default: F): F or C <br> 2.Switch resolution(Default:0.1): 0.1 or 1 <br> <br> <b>Package Content:</b><br> 1x BTC201 Temperature controller<br> 1x sensor cable <br>1m/3.3ft power cord