1[Detachable Shell] This thermostat has a simple detachable shell design, which is convenient for maintenance, safe and reliable. 2[PID Control] The intelligent temperature controller has PID control adjustment, alarm switch, and multiple input methods. 3[Relay Solid State Output] With solid state output, relay output, two output functions, can meet your various needs. 4[Sensitive And Accurate] High accuracy chip temperature controller, with accurate temperature control, high sensitivity, convenient operation, and can be used with confidence. 5[Widely Application] Digital thermostat is widely used in a mamy situations, such as home appliances, motors, industry, etc. Item Type: Thermostat Material: ABS Application: Used in many products such as home appliances, motors, refrigeration or heating Rated Voltage: 100-240VAC Display Mode: 7 segment LED (PV: red, SV: green) Control Output: Relay 250VAC 3A 1a solid state 12VDC2V 20ma or less Alarm Output: AL1.AL2 Relay: 1A.1a Control Method: ON/OFF.P.PI.PD.PID control Input Type: Factory default K (CA) type adjustable J (IC), L (IC), T (CC), R (PR), S (PR) Control Accuracy: 1~100/0.1~50.0 1xThermostat 2xBracket 1xManual It is used in places with relative humidity 35%~85%RH, non corrosive and no strong electromagnetic field radiation.