Features: 1Shell Material: The shell is made of PC and ABS flame retardant materials which is durable and has a long service life. 2Temperature Sensor: Adopting NTC thermistor temperature sensor high accuracy fast and reliable data reading. 3High Reliability Chips: Using high reliability chips strong anti interference performance easy to use and practical. 4Product Specification: Model is 8801F voltage is control mode is intelligent temperature control regulator. 5Temperature Value: Temperature control range is 535 display range is 0~99 temperature measurement error is 1 () Specification: Item Type:Programmable ThermostatMaterial: PC + ABS Flame RetardantColor: As Pictures ShownWeight: Approx. 200g/7.12ozModel: 8801FControl Type: TemperatureControl Mode: Intelligent Temperature Control RegulatorTemperature Sensor: NTC ThermistorTemperature Setting: 5~35Display Range: 0~99Temperature Measurement Error: 1 ()Display: LCDHole Size: Approx.60mm/2.4inInstallation Type: ConcealedTerminal: Can Connect 2x1.5mm or 1x2.5mm Wire Package List: 1 xProgrammableThermostat2 x Screw Note: 1. Cut off the power supply during installation. Equipped with a power switch to cut off the power when it is not heating.2. The installation location should be about 1.4m away from the ground avoid direct sunlight avoid wind away from heat sources and have a representative location of the room temperature.