DescriptionThe W1209 Is An Incredibly Low Cost Yet Highly Functional Thermostat Controller. With This Module You Can Intelligently Control Power To Most Types Of Electrical Device Based On The Temperature Sensed By The Included High Accuracy Ntc Temperature Sensor. Although This Module Has An Embedded Micro Controller, No Programming Knowledge Is Required. 3 Tactile Switches Allow For Configuring Various Parameters Including On & Off Trigger Temperatures. The On Board Relay Can Switch Up To A Maximum Of 240v Ac At 5a Or 14v Dc At 10a. The Current Temperature Is Displayed In Degrees Centigrade Via Its 3 Digit Seven Segment Display And The Current Relay State By An On Board LED. Specifications Product Name: Digital Temperature ControllerModel: W1209 Input Power: 12VDC Temperature Control Range: -50°C ~ 110°C Measurement Accuracy: 0.1°C Control Accuracy: 0.1°C Output: 1 Channel Relay  Capacity:10A Power Consumption: Static Current: =35mA; Current: =65mA Measuring Inputs: NTC (10K 0.5%) Waterproof Sensor: 0.3m Dimensions: 48x40x16mm Resolution: 0.1°C at -9.9 to 99.9; 1°C at all other temperatures Refresh Rate: 0.5 Seconds Environmental Requirements: Temperature: -10°C~ 60°C Humidity: 20-85% Application:The W1209 Digital Temperature Controller Switch is suitable for a wide range of applications, including refrigeration, heating, and ventilation systems.This device is ideal for use in homes, offices, laboratories, and industrial settings where precise temperature control is essential. Package Includes: 2X Digital Temperature Controller Thermostat 1 Channel Relay Switch  Sensor