NuTone HVLFABL Haven Mosquito Repellent Outdoor Light, Black Convenient, effective, season-long protection from biting mosquitos (over 90% repelled) without hassle of sprays, candles, torches or traps to clean Each fixture emits an odorless, silent and invisible vapor that repels mosquitoes for 110 square feet. 4-6 fixtures protect an average deck or patio Repellent cartridge included, provides 216 hours of protection or 90 days when used about 2.4 hours per night Attractive LED lights made of durable, powder-coated cast aluminum, available in Black or Bronze finish, 3 year warranty Easy to install and operate with optional Timer/Controller, 12-15 volt AC transformer and low voltage cable for installation 18" stem and 10" plastic ground stake included Two cable connectors and adaptors for 12-16 gauge cable included