General description The 10W T8 Replacement Bulb for 20W UV Tube Mosquito Killer Lamp is designed to effectively attract and eliminate flying insects such as flies and mosquitoes. This bulb emits a wavelength of 365nm, ensuring powerful insect control while being safe and chemical-free, making it suitable for homes with babies and pets. The product is sold in a convenient set of 2 bulbs. Technical specifications Power: 10W Length: 330mm / 13.1in Diameter: 25mm Wavelength: 365nm Certification: CE and RoHS certified Compatibility and accessories Applicable to most 20W electric fly repellent/mosquito repellent/fly swatter lamps Ensure the length and specifications of your old lamp match this product Installation 1. Power Off and Unplug: Turn off the power button and unplug the zapper. 2. Shock: Use an insulated handle screwdriver to touch the inner grid with high voltage for 30 seconds to 1 minute. 3. Remove the sunshade: Remove all screws from the grid and the outer grid on the side