How to use (induction) Constant light mode: tap the switch once to turn on; tap the switch again to turn off. Induction mode: lightly press the switch once, the sensor light flashes three times Power on: lightly press the switch again to turn off. SOS mode: In always-on mode, press and hold the power button until it flashes automatically, indicating that it is turned on. Brightness adjustment: When the light is on (constant light mode/induction mode), long press the switch key for 3s, the brightness will become brighter/dimmer. How to use (hand sweep) Sensing mode: Tapping the switch once to turn on: Tapping the switch again to turn off. Brightness adjustment: When the light is turned on (induction mode), place your hand in the induction range for 3s, the brightness becomes brighter/dimmer 1.This light with Hand Wave Sensor Switch is the perfect solution for kitchen, restroom those places you dont want to touch the switch when your hands are wet, just wave your hand upon the switch to activate the light (the working distance is 2-5cm), wave again to turn off. 2.it is perfect for Bedroom Kitchen and Cabinet,wardrobe,Closet,Stairs 3.lightweight and Easy Installation: You can stick it anywhere you want with adhesive strip or screws.