Usage Tips:Brand Name : LigLiftOrigin : Mainland ChinaTheory : HygrometerMax Measuring Temperature : 49C UnderDisplay Type : DIGITALCertification : NONEStyle : HandheldPower Type : NoneDisplay Size : 1.9 Inches UnderTemperature controller temperature control switch thermostat knob Adjustable thermostat AC 250V 16A 50-300cThree feet is a normally closed and a normally open functionSpecifications:Material: metal, plastics, ceramics,Rod rough: 5mmRod length: 54mmCable length: 70cmVoltage: AC 250VCurrent: 16ATemperature: 50 C-300 CProduct Life: > 100,000 timesElectric strength: AC2000V / 1minNormal insulation resistance: more than100m omegaContact resistance:less than 50m omegaFor tide insulation resistance:more than 10M omegaTemperature response rate:less than 1.0c/ minMinimum Current: 200mAPrinciple of performance:When the object to be controlled temperature changesSo that the working fluid thermostat temperature to producethe corresponding portion of the thermal expansion and contractionPhysical phenomena (working fluid volume change)Temperature sensing bellows portion communicating together produce expansion or contraction.Through leverage, driven by the switch-off operation, to achieve the purpose of constant temperature.Suitable for:Mainly used in household appliances(shower, drum-type washing machines, heaters),Electric equipment(stainless steel automatic water boilers, electric frying pans, food machinery, medical equipment),The refrigeration industry(kitchen freezer, fresh cabinet, refrigerator,Ice machine, fish pond, cold drink machine, heating machine)with temperature control.Package contains:1 set of mechanical thermostatDear buyers, we appreciate your business, if you are satisfied with our service,please leave us a positive feedback and rate the details of the transaction (Detailed Seller Ratings) with a"PERFECT 5 STARS".If you have any problems, broken, quality problems, please don't worry, and don't leave bad feedback.Please send us an email first, we will reply you as soon as possible, please allow us to respond within 12 hours.We understand your mood, and will provide you with the best solution for your problem,please give us the opportunity to solve the problem,For any case,please feel free to come to us,we are always here.look forward to and thank you for your trust.