Package: Contains 2 FSL BL T8 F15W Mosquito Killer Lamp Replacement Bulbs, Length 435mm, Diameter 26mm. Function: The main wavelength is 365nm - used to attract small pests such as houseflies, mosquitoes, moths, etc., with good trapping effect and power saving. CompatibilityReplacement bulbs for Aspectek, EazyZap, Fly-Bye, Plus zap, Flymatic, Xterminate, Vermatic, etc. Fits most 30W bug zappers. SafetyUVA lamps are harmless to humans and pets, and are widely used in living rooms, dining rooms, kitchens, food storage rooms, corridors outside doors, etc. 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 24 hours Hope you have a pleasant shopping experience!