Features [Detachable Shell Design] This thermostat is made of ABS material, with simple detachable shell design, convenient maintenance, safe and reliable. [PID Control] Intelligent temperature controller, with PID control adjustment, alarm switch, multiple input methods. [Two Output Function] Temperature controller with solid state output and relay output, these two output functions are powerful and can meet your various needs. [Sensitive And Accurate] The core of the temperature controller uses a high accuracy chip, accurate temperature control, high sensitivity, so you can use it with confidence. [Widely Application] This digital thermostat is widely used in a variety of situations, such as home, industry, buildings, plant equipment, etc. Specification: Item Type: Thermostat Model: REX-C700FK02-V*AN Material: ABS Application: Temperature control of industry, building, plant and equipment Working Voltage: 100V-240V 50HZ/60HZ Working Power Supply: 220V~±10%50HZ Power Consumption: 4W Panel Size: Approx. 72 x 72 mm / 2.8 x 2.8 in Installation Hole Size: Approx. 68 x 68 mm / 2.7 x 2.7 in with PID self setting function Input Signal: K/J/S/PT100, etc. (the factory setting is K, other input signals can be adjusted by referring to the manual) Temperature Range: 0-1372°C (factory setting is 400°C, the highest can be adjusted to 1372°C) Main Control Output: Solid state output (SSR/V) Alarm Range: Free setting of full range Measurement Error: 1%+1 word, 0.5%±1 word, 0.2%±1 word, three gears Additional Cold Junction Compensation Error: Within the range of 0~50℃, ≤±2℃, temperature coefficient ≤0.05%/℃ Relay Output Contact Capacity: 3A/220V, resistive or specified Thyristor Trigger Signal: 15/40μS or rated 100mA, instantaneous IA (self triggering) Solid State Relay Output Signal: 15±3V/3 0mA Working Environment: 0~50℃, relative humidity 35%-85%RH, non corrosive and no strong electromagnetic field radiation    Package List:1 x Thermostat 2 x Retaining Clip1 x Manual Note:It is used in places with relative humidity 35%~85%RH, non corrosive and no strong electromagnetic field radiation. Package List 1 x Thermostat 2 x Retaining Clip 1 x Manual