W3230 Digital Temperature Controller, Digital Thermostat Temperature Alarm Controller Sensor, LED Digital Temperature Controller Thermostat Switch Sensor Meter(DC12V )( red and Blue Display)

Features:100% brand new and high quality.Can select cooling or heating working mode.Set highest/ lowest upper limit temp to avoid accident.Automatically start cooling or heating for constant temperature.Temperature calibration, you can calibrate temp according to requirement.High temp alarm, when measure temp reach to the setting temp, controller will alarm. Specifications: Material: electronic element Voltage:DC 12V/24V /110-220V(Optional)Power:120/240/1500W (Optional)Weight: Approx.48g/1.7oz Package list: 1 x Digital Thermostat Temperature Alarm Controller Sensor Reminder:P3 setting 1 means that the thermostat will stop running for 1 minute, and long press SET to trigger again.P4 setting 1 means the thermostat will start working after 1 minute. After setting the digital tube will not light, until 1 minute after the normal work. Long press SET to trigger again.P5 is set as OFF by default. Once the user sets the temperature, the P5 can be set as ON to prevent others from changing it at will. Once set to ON, the data will be locked and the P5 will be set to OFF when it needs to be set again.