Bulbs Solar Lights Solar Charging Emergency Lights Camping Watertight Outdoor Tents LED Light Bulbs Portable Night Shelters Power Outages Features: Efficiency: The high brightness caused by accounting and the 1200mAh lithium battery can provide lighting for a long time and avoid overload. The basic and watertight E27 of the screw is IP65, which can be used on rainy days; And the base screw E27 is common in most households. Emergency lighting: When you turn off the power, these light bulbs cause rechargeable light to automatically provide bright light in a dark environment. Easy to install: Installing these LED light bulbs for solar energy is straightforward by twisting them onto a regular light bulb (E27). In just a few seconds, you will have a bright light shining on you when you need it. Multi functional design: Ideal for home lighting, tourism, outdoor, emergency and power outages, travel, hiking, camping, and more. : Including: 1x solar emergency light bulb.