No ozone smell when the germicidal lamp operates. A distinct odor may be noticeable when the bulb is in use, resulting from airborne particles affected by UVC light. This is a normal occurrence, similar to the scent following sunlight exposure. Offers wide coverage up to 500 sq ft. Features a standard E27 base for easy installation. Emits 254nm UV-C light with strong germicidal properties, suitable for disinfecting rooms, beds, clothing, and surfaces. Type: UV Germicidal Lamp Voltage: AC 85265V (worldwide compatibility) Power: 40W LED Type: 5736 SMD LED Beads: 130 Luminous Flux: 1600LM Lifespan: 50,000 hours Color Temperature: Ice blue Instructions: 1. Allow for slight measurement variations due to manual measurement. 2. Avoid direct exposure of eyes and skin to the UV light during operation. Evacuate the room, including pets, before use. Turn off the lamp before re-entering. Ventilate the area for 1530 minutes after disinfection. 3. Protect plants and aquariums by covering them with opaque material to prevent UV exposure. 4. The initial odor upon operation is due to airborne particles reacting to UV light and is normal. Dimensions: 125 x 46 x 46mm Material: Aluminum Color: Silver Package Includes: 1 x UV Germicidal Lamp Note: Other items not included. Color may vary slightly due to lighting and display settings. Measurement tolerance: 13cm.