INDOOR USE ZAPPER: This zapper can attract all kinds of flying bugs and eliminates them from your home or office. The UV light naturally attracts ther insects and the High voltage cage stuns/kills them instantly. SAFE & EFFECTIVE: Every BUGG Off zappers comes equipped with a safety screen to prevent small fingers from getting inside the device. Each zapper has an easy to use on and off switch and a five-foot cord for convenience and safe distance. 800 SQFT COVERAGE: The two 10 Watt Bulbs provide a wide coverage area of over 800 square feet. Ideal for mosquito repellent inside a standard 2 bedroom house, or medium size office. 800 sqft is best represented in open space. for multiple closed off rooms, We recommend buying multiple zapping units. TWO FREE REPLACMENT BULBS: Our top grade bulbs are rated to already last 10,000 hours, but accident do happen. so we provide 2 additional bulbs that can be easily switched out. Simply unplug the unit, wait a few hours to ensure the electrica