Keep your patio and deck free of mosquitos with this OFF! PowerPad(R) Mosquito Repellant Lamp and Refills. When the candle is lit, the heat-activated pad repels mosquitos for up to four and a half metres and lasts for up to four hours. The mosquito repellent lamp is designed to look like a lantern and fit seamlessly into your outdoor decor, while the candles provide a soft, attractive glow. This package conveniently includes three candle and repellent pad refills.