Features: Simultaneous display of measurement temperature, start temperature and end temperature. Digital tube LED display, clear reading, 4 buttons, easy to operate. The front cable adopts a plug-and-play design, which is easy to use. Heating/cooling mode, user can freely set start/stop temperature. It also has a temperature calibration function, with an indicator light to indicate the working status. Wide range of applications, such as fish tanks, floor heating, greenhouses, etc. Specifications: Material: ABS Size: Approx. 140x100x43 mm/5.51x3.93x1.69 inch Model: TMC-1000 Temperature measurement range: 9°C～99°C Control accuracy: 1°C Measurement accuracy: 0.1°C Resolution: 0.1°C Power supply: AC 110V-240V Plug Type: 3 Types to Choose(refer to pictures) Refresh rate: 0.5s Temperature Calibration Range: (+/-) 9°C Measurement input: NTC (10k0.5 %) waterproof sensor Output: One side load of relay 10a Quiescent current: less than 40ma Pick-up current: less than 65ma Working environment: 10°C～60°C, humidity 20%～85%. Working mode: heating or cooling Power cord length: about 150cm / 59in Package Includes: 1x Digital Temperature Controller note: This controller cannot be used with air conditioners and compressors. Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.