1. Automatic induction: no need to touch.2. Easy to DIY with any empty bottle.3. To understand the working principle of the intelligent automatic liquid dispenser.4. Building your own automatic liquid dispenser is really and a project.5. DIY (Do It Yourself) wonderful project that can be easily assembled, very useful for getting the solution on hand without touching it.6. This project will use research and development induction hand washing motherboard, TCRT5000 infrared sensor, water pump, and features:DC 3v to 6v pump consumption: 0.4W to 1.5WFlow rate: 80-120l/The infrared sensor detects the presence of the hand.Turn the sensor's potentiometer and increase it slightly to get the detection range you want.You can fill your dispenser with any liquid you want.no direct contactContact-free and pollution-freeSmart Liquid Dispenser Dischargemake your own liquid dispenserProtect yourself with this toolkitBy following the correct instructions and steps, you can build your dispenser in no time, the DIY kit does not come with a container or reservoir to store liquids.Colour:picture colorMaterial:plasticPackage Contents:1 x Auto Sensing Pump KitOnly 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.