Usage Tips:[High Brightness USB Rechargeable Bulbs]-These 9W rechargeable LED bulbs are built with an upgraded large-capacity 2000mAh battery . You can charge the bulb using the provided micro-USB cable or 5-volt adapter. It takes 4-6 hours to fully charge and lasts 6-9 hours of operation. [LED Bulb with Remote Control]-The included remote control is easy to operate and allows you to quickly turn the light on and off, select from 4 lighting modes (High/Medium/Low/SOS Signal Light) and set a timer (15 minutes/30 minutes/60 minutes/240 minutes) Across space, the working range is 10 meters. LED bulbs come in handy if you install them in hard-to-reach locations. [4 Lighting Modes and 4 Timer Settings]-This battery emergency light bulb has high, medium, low and modes and a memory mode that allows the light bulb to automatically turn on to the last used brightness. You can use the light mode of in a variety of conditions. [More Than Just an LED Bulb]-The rechargeable LED bulb features an easy-to-carry handle and non-slip , making it more than just an ordinary light bulb. [Wide Application]: Perfect for patios, gardens, balconies, front doors, stairs, hallways, basements, garages, hallways, storage areas, camping lights, indoor emergency use. Colour:White Material:ABS+PC Package Contents: 2 x bulbs 2 x charging cable 2 x remote control 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.