【Smart Cat Toys Interactive】：To prevent over stimulation and peak your pet's interest each play time, the laser cat toy work for 15 minutes after every 1.5 hours, with timing function that also acts to preserve the battery life 【Auto Laser Light Toy for Cats】: The exciting laser moves randomly across floors and walls which appeals to the natural hunting instinct of cats. keeping active and developing your Feline’s natural stalking instincts. 【Adjustable Cat Chaser Toy】: 5 adjustable circling ranges, 3 speed setting (slow, fast, fixed point). The exciting pet laser pointer rotates in a random 360 degree pattern across floors which appeals to the natural hunting instinct of cats. 【USB/Battery Charging Operated Cat Toy】: The automatic chaser cat toy operated by 4 AA battery(not included) or USB. The battery needs two positive poles and two negative poles to install. You can read the instruction manual before installation! 【Cat Training Toy】: Labor-saving funny cat laser light, liberation of hands, automatic rotation of laser funny cat, can increase the amount of movement of the cat through interactive play with the cat, and can also increase the relationship with the cat.