thermostat for gas boiler heating system, with touch buttons for simple operation. LCD display with backlight to display data clearly, easy to read even in the dark. Weekly programmable and 5+2 six periods programmable to maximize comfort and economy, very flexible. Features - Color: White - Shell Material: ABS ( ). - Size: About (8.60 x 8.60 x 4.00 cm / 3.39 x 3.39 x 1.57 inches W x H). - Touch screen thermostat, temperature control over-ride, pre-set temperature maintained within + / - 1 Degrees Centigrade - NTC sensor room temperature controller, internal and external sensor allows control of both air and floor temperature - LCD display thermostat with touch button and ultra-thin large LCD screen display, simple to operate and easy to read even in the dark - control keeps temperature within 1 degree centigrade of the level you set - Acrylic lenses to avoid the finger scratch - Programmable temperature controller: the ability to write settings procedure through the thermostat to let the thermostat work according to the setting rules - Plug directly into the power supply Specification - Display: LCD with Backlight - Sensor: NTC - Power Supply: Voltage: 95V - , 50 / 60Hz - Power Consumption: <1.5W - Accuracy: ±1°C - Timing Error: <1% - Set Temperature Range: 5 ~ 35° Temperature Range: 5 ~ 99°C - Ambient Temperature: 0 ~ 45°C, 5~95%RH (Non Condensing) - Storage Temperature: -5 ~ 55°C - Installation Hole Distance: 60mm - Installation Box: Standard 86mm Pattress Box or European 60mm Round Box (Not Included) - Protection: IP20 - Features: LCD Touch Screen, Weekly Programmable, Gas Boiler Package list: 1 x Thermostat 2 x Screws 1 x User Manual (English)