Fits most collars. 2 mode Blinking/ Standard to choose. Batteries are included. Size: 4.2*2.5*4.6CM  

Weight: 65g Laser chasing fun Pointer is a fun new way to entertain and exercise your dog/ cats. Good for keeping cats and dogs active, helps in their cardiovascular health! Simply clip onto their collar and let the chase begin. fascinated with the laser beam and can play with it all day by themselves. No longer needed to tired your hand 😆