1. Features Protective cage to prevent accidental contact with grid by people or pets. Wire chain for hanging or set it on a flat surface. Powerful electronic grid. Removable washable tray for collecting dead insects. Designed for indoor use: living room， kitchen， bedroom， basement， enclosed garage， cafe， restaurant， office， hospital etc. 2. How Does it Work . This indoor device is designed to lure flies， mosquitoes and other annoying insect pests to the grid where they will be immediately zapped. It ships with 2 ultraviolet bulbs which are especially designed to attract flying insects. A protective guard prevents people and pets from accidentally touching the grid. 3. How to replace the bulbs. Step 1. Turn off the power button and Unplug the bug zapper. Step 2. Use a screwdriver with an insulated handle to touch the inner high-voltage grid for 30 seconds to 1-minute. Step 3. Remove the external grille of the side where the bulbs are located. Press both side of the external grille ( left and right side together). Step 4. Rotate the bulbs till the bulbs base meet the slots of the bulb holders and take them out， replace them with the new ones and then rotate couple turns to make sure the new bulbs are in place where connect tightly with bulbs holders. 4. What you Get: 1x 20-Watt Mosquito Zapper 2x Replacement Light Bulbs 1x Hang Metal Chain 1x Manual.

Strongest zapper in the market: win the war against insects with this amazing and efficient new mosquito zapper indoor bug zapper， moths， mosquitoes and other flying insects into the trap and slaughter the annoying winged insects immediately， no worries and enjoying your life

Pest killer design: double face designed for 360° attracting and killing mosquitoes flies etc.， flame resistant material housing can prevent any fire accident caused by fired flies， high-density grids prevent children and people touch inside， the pure aluminum frame is easily for cleaning， antioxidant， sturdy， lightweight， the fly trap indoor device has a hang metal chain， it can stand on any flat surface and also can hang-up

Bug mosquito killer safe and low maintenance: Aspectek indoor fly trap is covered with protective grid to prevent your kids and pets touching internal electrified grid， its detachable grid design also allows you to replace the bulbs more portable

Great for residential and commercial use: this versatile indoor electric bug zapper works great for any building such as homes， factories， warehouses， restaurants and more and is very easy to use， moth trap simply plug it into a standard electrical outlet and the unit will begin to attract bugs with its UV light

Chemical and odor free: no chemicals， no fumes， no smell， no sprays， no mess， natural and safe， the mosquito killer zapper makes sure you use it safely