(1) This rechargeable soap dispenser has 4 gears, each gear corresponds to a different discharge time. (2) Touch the power on, the green light is on, the liquid discharge time is 0.5 seconds, and the green light is on at the same time; the blue light again, the liquid discharge time is 0.8 seconds, and the blue light is on at the same time; the pink light again, the liquid discharge time is 1.1 seconds, and the blue light is on and Pink light; the white powder light again, and the liquid discharge time is 1.4 seconds. it lights up white; the red light again to turn off. (3) After turning on the machine and selecting the gear, stretch your hand to the bottom of the sensor area (the sensing distance is 4-6CM), and the liquid be automatically discharged. If you need to discharge the liquid again, please reach out to the bottom of the sensor area again. (4) When the product is used with liquid for the first time or when the liquid is used up and the liquid is added again, it needs to sense 2-3 times to empty the air before the liquid can be discharged normally. (5) If the red light is on at the same time when the liquid is discharged in different gears, it indicates that the battery power is low, please charge it before use. The yellow light flashes during the charging process of the machine, and the yellow light is on when fully . In the standby state, if the red light flashes, it indicates that the sensor is blocked. At this time, the sensor head area needs to be wiped clean before the machine can be used normally. Colour:White Material:ABS Size:350ml Package Contents: 2 x foam soap dispenser 2 x usb cable 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.