Features [Smart Programmable Thermostat] Weekly programmable and 5+2 days and six periods programmable, energy-saving and environmentally friendly, intelligent and economical. [Voice Control] Replacement for Alexa, Google Home, Yandex Alice, Tmall Genie, and more smart voice speaker; also support "Smart Life" smartphone APP remote control. [LED Touchscreen] Large display screen can clearly display the data in both bright and dark environment, easy to operate. [Flame-Retardant] Made from premium PC and ABS material with high strength and high density, no fear of fire, sturdy and durable; support battery and USB power supply, flexible to use. [0.5 Accuracy] Precisely control temperature within the setting level, offering the temperature you want; also support data storage function when power is off. [Wide Application] Suitable for gas boiler heating central control, perfect for home, market, factory, office, hotel, and more, movable display panel can be placed at bedroom, living room, kitchen, etc. Specifications Model: BHT-8000RF-GC (for gas boiler heating), BHT-8000RF-GB (for electric heating), BHT-8000RF-GCW (for gas boiler heating, support APP WiFi control) BHT-8000RF-GBW (for electric heating, support APP WiFi control) BHT-8000RF-GBCW (for gas boiler & electric heating, support APP WiFi control) (optional) Color: White, black (optional) Material: ABS + PC + tempered glass Receiver Voltage: 95-240V AC, 50-60Hz Receiver Current: 5A (boiler heating), 16A(electric heating) LED Panel Power Supply: 2*AA battery/ USB Temperature Control Accuracy: 0.5 Temperature Error: 1 Sensor: NTC3950,10K Timing Error: