【Energy Saving】Bonlux GU10 dusk to dawn light bulbs use a light sensor that automatically turns the bulb on at evening and turns it off during daylight hours, 5w replace 50w incandescent bulbs, which can save up to 80%~90% on energy compared to traditional incandescent bulbs, you don't need to worry about forgeting turn the light off. 【Improved Security】 By keeping the lights on throughout the night, Bonlux dusk to dawn light bulbs can provide an added layer of security, deterring potential intruders from approaching your home or property. 6000K daylight white / 2700K warm white for choosing. 【More Convenience】 These GU10 outdoor sensor light bulbs eliminate the need to manually turn on and off the lights every day, which can be particularly useful for outdoor lighting, hallways, porches, garages, and other areas that require continuous illumination. 【Important Information】Please note that the gu10 led sensor bulb is not dimmable, and must not be used with any other type of dimmer as it may cause damage to the bulb. Additionally, it is recommended to avoid covering the bulb with plastic or glass covers, as this may affect the sensing detection. Please use the dust till dawn bulb in a suitable, well-ventilated fixture to ensure optimal performance and longevity. 【What You Get】It comes with 4 pack GU10 dusk to dawn light bulbs. If you experience any issues with dusk to dawn outdoor lighting bulbs, please reach out to our customer service team for a replacement or refund. We want you to be satisfied with your purchase.