LCD Gas Boiler Thermostat 3A Weekly Programmable Preheating Temperature 86x86mm ME83 Controller Product DescriptionThe ME83 Gas Boiler is equipped with an LCD digital display screen. It is with 1.5V two sections of AA batteries. It is used to control boilers to start or stop working to regulate temperature. The thermostat detects the room temperature, when the actual room temperature is lower than the set temperature, the thermostat controls the boiler to start working. The thermostat then controls the boiler to stop working when the actual room temperature is higher than the set temperature. Product Features1) convenient to be mounted on the wall or stand somewhere.2) wireless, AA battery powered, can be placed anywhere.3) can be set 5+2 per week programmable.4) child lock to avoid misoperation.5) anti-freeze function. Product Specification 1. Working Voltage: 2 x 1.5V AA batteries (not included)2. Power Consumption: lt; 150uW3. Temperature control range: 5 - 99 °C, (factory setting is 5 - 35 °C)4. Temperature limit range: 5 - 99 °C5. Temperature control accuracy: ± 1 °C6. Size: 85x85x28mm7. Temperature Sensor: Built-inPackage Included:1 x Gas Boiler Thermostat2 x Mounting Screws1 x English User Manual