Mosquito Repeller Wrist Type features:
1.Power:4xAAA Batteries (not included)
2.Small and exquisite, be used in the waist belt
3.Can be used when camping,fishing,picnic and other outdoor activities.
4.LED for power on indication
5.2 different operated modes for user selection:dragonfly and male mosquito
6.Power frequency output up to 110 dB
7.Low power consumption, suitable for long life operation.

1. Science proves that only the male mosquito is at breeding to expect would bite person and animal to feed its insect egg, however in this period, the female mosquito dislikes the male mosquito to contact it. This product thereby according to this principle, produces ultrasonic that simulating male mosquito sent out, attains a purpose of repelling mosquito that bits person.

2. Dragonfly is the natural enemy of mosquito, this product simulates the sound that dragonfly sent out when flapping wings to rise, attaining to repel each kind of mosquito thus.

Can be used in: 
Homes and apartments 
Food service outlets 
Businesses 
Farm buildings 
Kennels and stables