2 set PID Temperature Controller: 1 set MC901 & 1 set MC701 Model: MC901 & MC701 Control type: temperature Control mode: PID control and self-tuning control Power consumption: Less than 10VA Measurement object: temperature Temperature range: -199~1300Celsius Temperature measurement error: ±1Celsius Measurement accuracy: ±0.5% Working voltage: 85~265V Output signal: Relay/SSR output Display: Fahrenheit or Celsius Input: Universal input (K, E, J, N, S, T, R, B, Pt100, etc., can be changed by yourself) Minimum resolution: 0.1Celsius / 0.1Fahrenheit Mounting type: embedded panel Colour:Black Material:ABS+electronic components Size:10.0 cm x 10.0 cm x 10.0 cm Package Contents: 2 * PID Temperature Controller 4 * Bolts 2 * English User Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.