Dusk-to-Dawn A19 LED light bulbs automatically turn on at dusk and then off at dawn. Eliminating the need for manual control. Medium E26 base Insects and mosquitoes repellent UL&DOC&FCC&ROHS listed for high quality 600lm high brightness output 2 years warranty Great Outdoor Lighting The 600lm output provides amazing light distribution while the 2700K soft white creates a warm and cozy atmosphere. The bulb's yellow cover attracts fewer insects like mosquitoes, protecting you from their bites. Widely Used The E26 base makes this bulb work with all your E26 socket fixtures. It's perfect for outdoor applications like porches, garages, gardens and even outdoor lamps. Warranty This product comes with a 2-year warranty for your rights and benefits as a customer, satisfaction guaranteed. Luminous flux: 600lm CRI>80 Beam angle: 240° Waterproof rating: Damp location