1、High‑quality thermostat can control the hot water system, with touch buttons, easy to operate. 2、Data storage function when power is off; thermostat lock function. Energy efficient thermostats help reduce household energy costs. 3、LCD display with backlight can clearly display data, easy to read even in the dark. Made of flame‑retardant materials, safe and reliable for daily use. 4、Programmable weekly and 5 + 2 six cycles programmable to maximize comfort and economy, very flexible. 5、1°C accuracy, can keep the comfortable temperature within the level you set. Convenient to use. 1 x Thermostat2 x Screw1 x User Manual (English)1 x 2.5 Meters External sensors Item Type: ThermostatOptional Color: Black, WhiteModel: BHT-002GBShell Material: PC + ABS plasticDisplay: LCD with backlightSensor: NTC 10K 3950Power Supply: 95~240V AC, 50~60HzCurrent Load: 5APower Consumption: < 1.5WAccuracy: ±1℃Timing Error: <1%Setting Temperature Range: 5~35℃Room Temperature Range: 5~99℃Ambient Temperature: 0~45℃Environmental Humidity: 5~95%RH (no condensation)Storage Temperature: -5~55℃Installation Hole Distance: Approx. 60mm / 2.4inProduct Size: Approx. 86 x 86 x 40mm / 3.4 x 3.4 x 1.6in