Safe to use -APE, FCC and UL certified, three-layered security protection -A. The housing is made of ABS - sturdy, durable and fireproof; B. Horizontal isolation baffles with 0.23 inch gap can effectively protect people or pets from accidental contact while doesn't block mosquitoes from flying in; C. Short-circuit protection -positive and negative electrode alternating design with small intervals, power will be off immediately in case that object contact both positive and negative electrodes.Effectively reduce mosquitoes around your home - electric bug zapper uses a 15W UVA light to attract mosquito, aedes, gnats, midges, flies, horse flies, fruit flies, house flies, moths, wasps and most small flying insects and kills them via 4200V high-efficiency electric shock once they contact the electric grid. It works indoor and outdoor covering more than 1500 square feet, ideal for your porch, back yard, patio, swimming pool, kitchen, living room, garden, deck or garage etc.Whats in the box -1 bug zapper with bulb and 5.6ft cord, 1 metal chain with hook, 1 brush and 1 user manual -all of them are put in gift-box. All products are safety certified and manufactured under strict quality control standard but bulb can be loose or damaged during transportation. Please dont hesitate to contact us for a replacement, making you a happy customer matters to us.Easy to use - mosquito zapper outdoor is well prepared with a 5.6ft long cord, just plug in then it start to work. Theres a switch on the outdoor bug zapper which can be used to turn on or off this mosquito trap without unplugging it. An extra metal chain hook is equipped except for the hanging hoop on the top so that you can have more options to hang or put it indoor or outdoor. Its lightweight and portable to move around.Easy to clean -Please turn off or unplugging the insects zapper before cleaning. Insects debris will fall into the removable tray at the bottom, you can twist and take the tray out, we suggest cleaning it one time a week at least. Use the brush to clean dust or mosquito debris on housing or grid.