W1209 DC 12V -50~110C Digital Thermostat, Temperature Control Thermostatic Switch, NTC Waterproof Sensor ModuleFeature: Safe material, stable performance and very durable. High precision, LED display, smart and low power consumption. Waterproof NTC probe, embedded CPU chip, and the output is electronically controlled by a microprocessor to ensure the highest intervention accuracy and excellent temperature reading resolution.Friendly Tips: 1. Please kindly allow 2-3% difference according to manual measurement. 2. Please check the measurement chart before you buy the item. (1inch=2.54cm) 3. Please note that slight difference should be acceptable due to the light and screen.Thanks.Specifications: Temperature range: -50-110 /-58-230 Dimensions: 48.540 mm/1.91.6 inches Temperature control mode: ON / OFF Resolution: When temperature is 0.1, the resolution is -9.9~99.9, other temperature segment is 1 Control accuracy: 0.1Hysteresis accuracy: 0.1 Refresh rate: 0.5S High temperature protection 0-110 Supply voltage: DC 12V Static current: 35MA, attract current 65MA Output voltage: DC 12V Output power: 20A relay Measurement input: NTC (10K 0.5%)Package Contents: 1 X Digital Thermostat Temperature Control SensorPromise: If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.