Features： 1、Detachable Shell Design: The thermostat with a simple and detachable shell design is convenient for maintenance, safe and reliable. 2、PID Control Adjustment: The intelligent temperature controller has PID control adjustment, alarm switch, and multiple input methods. 3、2 Major Output Functions: Thermostat with soliding state output, relay output, 2 major output functions, powerful output functions. 4、High Accuracy Chip: The core of the temperature controller is a high accuracy chip, which controls the temperature accurately and has high sensitivity. 5、Portable Thermostat: The thermostat is designed to be very small and light, does not take up space, and is convenient for you to use anytime, anywhere. Specification： Item Type: PID Temperature Thermostat Controllers Model: REX-C900FK02-V x AN Material: ABS Purpose: Temperature Control of Industry, Building, Plant and Equipment Power Consumption: 4w Panel Size: Approx. 96 x 96mm / 3.8 x  3.8in Installation Hole Size: Approx. 92 x 92mm / 3.6 x  3.6in 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 user manual) Temperature Range: 0℃-1372℃ (Factory setting is 400℃, the highest can be adjusted to 1372℃) Main Control Output: SSR Alarm Range: Free Setting of Full Range Measurement Error: 1%+1 Word, 0.5%±1 Word, 0.2%±1 digit, 3 Gears Additional Cold Junction Compensation Error: Within the Range of 0℃~50℃, ≤±2℃, Temperature Coefficient ≤0.05%/℃ 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 Fixing Clip 1 x User Manual