1. Quartz glass refers to ozone-free operation; use incandescent lamp or special capacitor connected to 220 V / 50 Hz or 120 / 60 Hz main voltage line without ballast; switchable up to 20,000 times 2. It destroys the DNA structure of microorganisms, rendering them unable to reproduce, and thereby inactivates bacteria, viruses, and other pathogens. 3. Ultraviolet UVC light can effectively eliminate most bacteria and microorganisms in air and water within seconds. UVC lamps are particularly useful in deactivating microorganisms that are resistant to conventional chemical disinfection methods. 4. Application: Suitable for small-scale applications such as air purifiers, microwave ovens, refrigerators, sterilizers, humidifiers, dental instruments, and washing machines. Type: Ozone / No Ozone Voltage: 10 volts Power: 3 W Pipe voltage: 9.5-13 V UV radiation density: 254nm Effective area: 30 cm, more than 30 cm Service life: 9000 hours Color: Silver + transparent Material: Quartz + alloy Size: Length: 56 mm Diameter: 16 mm Package Contents: 1 x UVC Bulb Note: The package includes only the items listed above. Other products are not included. Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement error allowance: +/- 1-3 cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 334 hours Hope you have a pleasant shopping experience!