This trainning dog banish dog machine is based on the theory that ultrosonic more that 20KHZ, which is above the upper limit of the human hearing, but within the dog's, this Yellow Flash Light Toy is a combination both sound and light, matching with super white light of LED.

Dog Chaser equipped with three modes of function: 
TRAIN – press and hold the button to train dogs
EXPEL – press and hold the button to expel unfriendly dogs
TORCH – press and hold the button ON the light torch
It is a 3 in 1 Dog Chaser, which can be made according to customers' need.

Features:
9V battery operation
Compact and sleek design
Energy efficient design
Expel unfriendly dogs
Functions as a dog trainer
Functions as a light torch

Specifications:
Dimensions: 121 x 45 x 24 mm
Weight: 55 g (without battery)
Power: 1 x 9V alkaline battery
Frequency: within 20,000Hz – 25,000Hz
Sound Pressure: 135dB approx.
Effective Range: About 10 meters