Specifications:Material: aluminum alloy + plastic.Wattage: 60w.Voltage: Support AC 110-240v.Wavelength: 260-280nm.Service life: 50000 (H).Appearance size: 50 * 50 * 185 (mm).Long distance: 0-60 feet.Installation interface: e27/e26.Power: 60W single .Installation: Embedded.Explanation:Cargo surface: (5 minutes / times). Keep items under 4 feet of light, such as cups, bottles, toothbrushes, shavers, cell phones, keyboards, clothes ...Small space: (5 minutes / times). ≤50 square feet as shoe cabinet, drawer, toy box, wardrobe.Small room: (15 minutes / times). ≤200 square feet such as dog / chicken house, toilet, storage room.Larger rooms: (15-60 minutes / times). ≤400 square feet kitchen, living room, bedroom ...Tips:Do not expose your eyes and skin to light during work! !! !! You have to leave the room. (Including pets). And, you need to turn off the light bulb before approaching it! !! !