Wireless Gateway Hub with AC-DC adapter Input: 100-240V, 50 / 60Hz, 0.25A max. Output: 5V ⎓ 1A Working environment: -10 ° C ~ 55 ° C, 10% -90% RH Wireless Technology: 2.4G Wi-Fi Radiator Thermostat Maximum current: 90mA Temperature display range :: 1 ~ 70 ° C Display accuracy :: 0.5 ℃ Default temperature adjustment range: 5 ~ 35 ° C Running program: Set for 1 week as a cycle Thread Size: M30 * 1.5 Power: 2 * 2 * AA 1.5V (Not included) Sensor probe: sensor: NTC (10k) 1% Size (mm): 53 * 89.5 Maximum path: 4.5 mm Insulating condition: Normal environment Working environment temperature :: - 10 ~ 60 ° C Features Weekly program: 5 + 2.6 + 1.7 and 6 program time period Low battery indicator Child lock function Open window indicator Ventilation and energy saving function (off by default) 4 modes: Vacation mode, Auto mode, BOOST mode, WIFI mode Error code E1: Path is too short: in the adjustment process, the pin was blocked before reaching the target of 2mm. E2: The temperature sensor is open or damaged