Features: 1. Built-in high precision chip for high sensitivity and accurate temperature control. 2. Support ℃ / ℉ temperature display. 3. When the thermocouple signal is input, the resolution of digital display can reach 0.1 ℃ /0.1 ℉ . 4. Relay and SSR integration, users can freely use relay output or SSR output. 5. Short shell design, only 85mm depth, easy to mount and use. 6. Robust flame-retardant housing, waterproof, dustproof and anti-shock. Specification: Model: MC701 Control type: temperature Control mode: PID control and self-tuning control Power consumption: <10VA Measurement object: temperature Temperature range: -199~1300 ° C Temperature measurement error: ± 1 ° C Measurement accuracy: ± 0.5%FS Working voltage: 85~265V Output signal: Relay/SSR output Display: ° F or ° C Input: Universal input (K, E, J, N, S, T, R, B, Pt100, etc., can be changed by yourself) Minimum resolution: 0.1 ° C / 0.1 ° F Mounting type: embedded panel Mounting size: 68*68mm / 2.7*2.7in Dimensions: 72*72*85mm / 2.8*2.8*3.3in Weight: Approx. 202g/7.1oz Package L ist: 1 * Digital PID Temperature Controller 2 * Bolts Note : 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding.