Manufacturer's Part Number: #MDS-BB4
DecoShield mosquito repeller protects up to 300 sq ft from mosquitoes and biting flies. Features an all-natural essential oils core and an LED (light emitting diode) light with a soft glow. Ideal for decks, patios, pool areas, and backyards. Lasts up to 4 days. No candles to burn, nothing to spray, no poisons, and a pleasant scent. Reusable.