Living Glow 3-pack Multi-Socket Rechargeable LED Bulbs These rechargeable LED bulbs go on when the power goes out. They work in multi-socket applications in any lamp or other light fixture just as you would use a typical light bulb. The Living Glow light will automatically charge with everyday use. What You Get 3 LED light bulbs 1 Power cap Lithium battery (installed in bulb) Manufacturer's 1-year limited warranty Good to Know According to an Energy 2017 report, the average American home has approximately 50 sockets. High quality, LED bulbs can fill these sockets and save Americans more than $6 billion a year to light their homes. Each LED bulb provides more than 45 years of light when using it 3 hours per day. Energy-efficient light bulbs, such as LEDs, typically use about 25-80% less energy than traditional incandescent bulbs, saving you money.