1. Training dog: 

the product below the function switch to the middle file, press the button above the product switch BEAM. Please refer to the following remote control dog. 

2. Driving dogs: 

When the vicious dog, the function switch to the last file, aimed at the dog, press the BEAM button switch, the dog is panic or fled.  

3. Lighting: 

the function switch to the first file, press the BEAM button can be used when the flashlight.  

   
Specification:  

Material: Plastic  

Size:12.5cm*4cm*2.5cm(4.92*1.57*0.98inch)  

Color: Black/Yellow Item: Ultrasonic Dog Training  

Note: Battery is not included.