Installation instructions: Replace current household light bulb wiht theintello Light Bulb Allow to charge between 5hrs and 10hrs. Once fully charged, you are able to avoid load shedding up to 3 and 4hrs. During load shedding or power interruption, the light bulb will remain on if already switched on(1 sec delay). Switch the Intello Light Bulb on or off as desired during load shedding. This product is not water proof. To use as a Glass light, add 3mm of water in a glass. Place the intello Light