This is a high-end  dog collar with glow,  using 
our unique  LED strip free of  broken down 
problems ,with flashing  and  glow functions, 
driven by battery; Flashing colors: red, green, 
white, pink, orange...;light visible in 300  
meters in night;

It use 2 pcs of button batteries; 
Material: woven band with LED strip sewn inside;