7W UV Ultraviolet Bug Killer Replacement Light Bulb for Dynatrap 41050-R 7 Watt Ultraviolet Mosquito Zapper Lure Lamp Working principle: Dumet UV lamps are fluorescent lamps lined with various kinds of phosphors. The ""black"" glass lamp itself blocks maximum of the seen light, and the tender long-wave UVA mild and a part of the blue-violet seen mild are emitted from the tube. The wavelength of this smooth is 360-380nm, which is suitable for the phototaxis of mosquitoes. Feature: 1. Simple and straightforward to install. 2. It can be utilized to switch damaged mosquito repellent bulbs. 3. Very well matched to switch Dynatrap 41050-R 41050 UV replacement bulb. 4. Long provider life. 5. Large trapping area. Specification Rated power: 7w Function: UV mosquito entice Rated frequency: 50 Hz Size: 100*34mm Wavelength: 360-400 nm Applicable model: Dynatrap 41050-R 41050 Package includes: Mosquito entice *1"