USB Waist Heating Sheet Warm Heat Compress Three-speed Thermostat Timin Feature: Precautions for the use of heating cloth: -Don't let yourself, babies or people who are not sensitive enough to heat. -When no one is strictly energized indoors, please do not use acupuncture knives to heat the cloth. -Do not use in a humid environment, please dry completely before use. Colour: Black Power: 8.5W Pad size: 26 cm x 10 cm Material: non-woven fabric + composite fiber + thread Thickness: 0.5-2 (mm) Temperature: 35-50 Maximum voltage: 5-7.4 (V) Power requirements: 5V 2A Room temperature resistance: 8-9 () -Easy to use. - heating pad, used for DIY heating clothes. - and -wrinkle, high temperature. -Install directly in the outdoor jackets, vests and other clothing for heating. -High temperature 45-50, medium temperature 40-45, low temperature 35-40. -Do not use household power directly! The power of the heating cloth is about 8W. Please use the 2A output interface plug of the power bank or use the 5V battery. The temperature is about 42-50 degrees. Please test the temperature in the bed cover or warm effect environment. Three gear description: - the first power-on,, high temperature output voltage (automatically to intermediate temperature 5 minutes), then output 85% voltage according to the second temperature, and output 70% voltage at low temperature three times. Closed four times. -In the power-on state, press and hold for 3 seconds for the first to enter the 30-minute timer, and the current temperature indicator flashes. The color of the items shown in the photo may show some slight differences on the computer monitor because the monitor itself is not calibrated. Due to manual measurement, please allow an error of 1-5 cm. Package Contents: 2 x heating pad