Features: PHYSICAL METHOD and ECO-FRIENDLY: It uses purely physical mosquito eradication technique, chemical free and not produce any noisy electric shocks, nor does it emit any toxic smoke, scent, or radiation. SMART LIGHT SENSOR CONTROL: There is a light-controlled sensor on the top of the insect catcher. If you open it, the lamp will automatically open in the night, and close in the daytime. RECHARGEABLE: It can be direct charging with computer, power bank, or any device with a USB port so that you can kill the insects anytime and anywhere. No need to be troubled with power. EASY TO CLEAN: It is simply to remove the storage box to clean mosquitoes with tissue or a small brush (included). Please ensure the unit is unplugged from the outlet.