Whether close to a surface for a deeper germicidal effect, or in an overhead light as a supportive cleaning process, the optional HEV light setting (not UV) is safe for us and pets, but not for bacteria. A world-class LIFX bulb - pronounced Life X - that does everything you'd expect from a premium smart light; colours, schedules, automation and more. But this one also helps you clean your place. Features and Benefits Smart Connection - Why Wi-Fi? Control from anywhere. No bridge or hub required. (Use 2.4GHz). Voice Compatible - Works with Alexa, Apple HomeKit / Siri, Hey Google and simple to set up; screw in, open your preferred app and follow the prompts. With HEV Mode - Additional High Energy Visible LEDs will harm bacteria but not your skin or pets as UV can. 1200 Lumens - Ultra bright! But also dimmable via voice or app. Full Colour - 550 billion possible colour steps. RGBW LEDs for richer colours and a huge 1500-9000K white range. Specifications LIFX Clean A60 1200 lumens E27 E