ultrasonic mosquitoes repeller repellent expeller

How touse: .The machine is work with cyclic scan variable ultrasonic wave. . And there is aflashlight function can be use in the night. .Can bewore likea watch on wristband with a tape( including in packing) .Can be hung on neck, body, bike,......with a rope(including in packing) 1. put the switch on" I " posion, the machinewill worked with male mosquitomodel.( silent model). 2. put the switch on " II " posion, the machine will worked with dragon fly model (very slight sound model). 3. put the switch on " o" posion, the machine will be power off. working theory: . as scientific research, only the female mosquito bite human or animals during breeding season, for feed their nit; otherwise, the female mosquito is scared with meeting male mosquito this time, according as this feature, the machine copy the sound of male mosquito with ultrasonic wave, so the female mosquito will be drived away soon. . dragonfly is the natural enemy for mosquito, this machine according with ultrasonic tech, copy the sound of dragonfly shaking wings, so that the mosquito will be drived away. Main caution: . according this machine ultrasonic working theory, copy the sounds of male mosquito and droganfly shaking wings, so it is necessary to open the machine working outside, the decrease of the sound pressure will do harm on the repellant effect if you put the machine working inside pocket. . this product is not waterproof, pls keep the machine with moisture proof, so that the machine is powerful for drives the mosquito away. Without dead pest cleanup Without chemicals Without pollutants Without poisons Without smoke Without sprays Without odors Without traps When can use: a. climbing; b.fishing; c. camping; d. other traveling items outdoor.Main data: 1.model: ao 110 2.brand: aokeman 3.dimensions:60x38x20mm 4.weight:20g /pc 5.color: silver 6. power:0.2 w 7.ourtput frequency:5--22 khz 8. battery: 1pc 3v CR2032 button cell battery, can working for more than 400 hours.