special reminder:The above parameters are all measured by professional instruments and are true and effective. 150W continuous detection; more than 500W will damage the detection element. Long press on/off, short press on/off to switch the display interface, double-click the standing wave alarm switch; triple-click to switch between normal mode and hold mode. There are 5 display interfaces in total, which are automatically saved and called up time. The charging red light means that the light is off when it is fully . Colour:black Material:aluminum alloy Package Contents: 1 x Shortwave Standing Wave Host 1 x USB Cable 1 x Pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.