W1209 Digital Temperature Controller Board Micro Electronic High Accuracy NTC Sensor Temp Control.Features: Stable performance, supports long time use. High accuracy and wide measuring range. With 3-digit Led display, extremely bright. Waterproof NTC probe allows to control the temperature even of fluids. Support cooling/heating control function. Specifications: Model: W1209 Input: 12v, 24v (optional) Output: 10A Temperature Control Range: -50 celsius ~110 celsius Temperature Measurement Accur