Features: 1) Use electricity consonant wave frequency to keep away the mosquitoes 2) Working frequ Features:1) Use electricity consonant wave frequency to keep away the mosquitoes2) Working frequency: 16 ~17kHz / 40 ~ 50Hz3) With red LED torch4) Key chain: one piece CR2032 battery attached Packing: 1pc/blister card, 200pcs/ctnDimensions: 35.5 x 29 x 23cmG.W.: 5.2kg LED Mosquito Repellent with ...