Features Safe temperature control range can prevent the patients from the damage of high temperature. Comfortable flexible fiber material can reduce the stimulation to skin. The design of the temperature probe in outlet can precisely control the blanket temperature. Colorful LCD display, which can provide the functions of temperature and wind speed setting, real-time temperature monitoring and alarm warning. A rotating key, simple and quick. Four-gear temperature settings and two optional wind speed. Automatic temperature control, automatic timing, heating up quickly. Technical Parameters Power Voltage: AC 220V±22V, 50 hz±1 hz Total power:≤350 w Four temperature : Room temperature, 32 ℃, 38 ℃ and 43 ℃ Temperature control precision:≤±1.5 ℃ Accumulative timing: Maximum 255 h High temperature alarm: Alarm and stop working when temperature is 3 ℃ ± 1 ℃ higher than the settings. Low temperature alarm: alarm when temperature is 3 ℃ ± 1 ℃ Lower than settings. Heating plates alarm: alarm when the heating plate works longer than its theoretical service life. Wind speed: high-speed 26±1 km/h, low-speed 23±1 km/h. Noise: ≤49 db Dimension: 330 x270x300mm Net weight: 13 kg