NOTE: Please measure and confirm the bulb size of zapper before purchasing. for , for , for , for , for , for hemiua, for stinger, for , for , for dunaga, for jawlark, for , etc. EFFECTIVE: This 15W UV lamp which emit 365nm wavelength blue light, attracts mosquitoes, gnats, moths, and other flying insects to the device. LONG-LASTING: The replacement bulbs can last up to 3,000 hours (4 months) of continuous use. You receive 4 bug zapper bulbs. AFTER-SALES: The light tube is fragile. If it is broken or non-functional, please contact us for assistance. Color: White Material: glass Package Contents: 4 * Bug Zapper Replacement Light Bulb Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.