Digital LED Temperature Controller Waterproof Plug and Play Heating Cooling Thermostat for Breeding Aquariums 110‑240V UK Plug Item Type: Digital Temperature Controller Material: ABS Power Cord Length: Approx. 95cm/37.4in Temperature Measurement Range: -10℃-100℃ Control Accuracy: 1℃ Measurement Accuracy: ±0.1℃ Resolution: 0.1℃ Refresh Rate: 0.5s Temperature Calibration Range: (+/-) 9℃ 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℃-60℃, Humidity 20%-85% Working Mode: Heating or Cooling Feature: 1. Simultaneously Display the Measurement Temperature, Start Temperature and Stop Temperature. 2. Digital Tube LED Display, Clear Reading, 4 Buttons, Easy to Operate. 4. Heating, Cooling Mode, the User Can Freely Set the Start, Stop Temperature. 5. Also Has Temperature Calibration Function. Indicator Light to Indicate Working Status.