Attracts flying insects with a combination of blue LED light and UV light, and the insects stick to the double-sided adhesive card. Instructions for use: For indoor use only. 1. Remove the protective films from both sides of the adhesive card. 2. Insert the adhesive card into the light trap. 3. Plug the device into an outlet in areas with insect presence. The light trap should be plugged in upright. When the blue light is on, it is activated. 4. Keep the light trap plugged in 24/7. When the adhesive surface is covered with insects or after 14 days of continuous use, unplug the device and replace the adhesive card with a new one. For best results: Place the light trap in areas with a high presence of flying insects. Storage: Keep the device and adhesive cards in a cool, dry place.