USAGE: 1. Plug this unit into the 220V socket and it is going on work. 2. Make the switch on the position of "MOSQUITO I", and the unit will imitate the ultrasonic sound of male mosquito I. The indicator button lights up in green. 3. Make the switch on the position of "MOSQUITO II ", and the unit will imitate the ultrasonic sound of male mosquito II. The indicator button lights up in red. 4.
