Stinger Cordless Rechargable Insect Zapper, Black Portable - cordless and rechargable Attracts & Kills flying insects, including mosquitoes with replaceable Black UV light Covers 625 sq. ft. 3.5 Hour Run Time Includes 1 Nosquito Octenol Lure.For outdoor use Portable, cordless and rechargeable 3.5 hour run time with lantern-only feature Portable, cordless and rechargeable 3.5 hour run time with lantern-only feature Black UV light technology For best results, hang or position the zapper between the source of insects (yard, woods) and the area to be protected, but no more than 10-14 ft. from human activity.