Product description:
This trainer is based on the theory that ultrasound (ultrasonic wave reaches up to 125db) is above the upper limit of human hearing and super ultrasonic and 28000mcd strong white light.
It can activate visual and additive activation to dogs, cats and other animals, but there will be no effects on people. There are three modes for use: Training dog , Banish dog , Illuminating.

Specification:
ItemSize: 140*40*30mm / 5.51*1.57*1.18inch
Battery: 9V Alkaline battery (Not included)
Effective distance: 5 to 10 meters

Package included:
1 x Dog Repellent battery included