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 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: <1% Set Temperature Range: 5～45 Working Temperature/ Humidity: 0～45，5～95% RH（Non Condensing） Power Consumption: <1.5W Protection Class: IP20 Screen: LED Receiver Installation: Wall-mounted Display Panel Size: 13 * 9 * 1.8cm/ 5.1 * 3.5 * 0.7inch Display Panel Weight: 110g/ 3.8oz Receiver Size: 10 * 8.6 * 2.6cm/ 3.9 * 3.3 * 1.02inch Receiver Weight: 110g/ 3.8oz Package List： 1 * Display Panel 1 * Receiver 2 * Screw 1 * Display Panel Support