1 .Replace current household light bulb wiht theintello Light Bulb 2.Allow to charge between 5hrs and 10hrs. 3. Once fully charged, you are able to avoid load shedding uup to3 and 4hrs. 4. During load shedding or power interruption, the light bulb will remain on if already switched on(1 sec delay). 5. Switch the Intello Light Bulb on or off as desired during loadshedding 6. This product is not water proof. 7.To use as a Glass light, add 3mm of water in a glass. Placethe intello Light Bulb silver contact into the 3mm of water andenjoy the benefits of having light in a glass.● Porous the rmal design ● intergrated porous thermal design. ● comprehensive heat dissipation. ● Home emergency bulb ● Work like a normal bulb and ● Control by wall plug ● .Finger touch type and portable ● .Long life up to 50000 Hrs ● Save 90% energy ● High quality, High brightness ● .2 Years Warranty1. Touch the light on the human body electrostatic control, grab the two sides of the screw of the lamp body with your fingers and press the bottom of the screw Thus, a positive and negative current loop is formed to light the bulb. 2. Outdoors, you can use a switch with a hook to turn on the light bulb. 3. It can also be used on the normal AC lamp head, 4. The bulb has a built-in 18650 aluminum battery.