The light moves randomly across floors and walls, appealing to cats’ natural hunting instincts. Each time you open the toy, it will automatically light up again for 15 minutes after the end of 1.5 hours, then start again. Cat toy mode can be divided into two types: automatic mode and manual mode. Silent Cat Toy , providing a good environment for pets. Charging method: 4 AA batteries (not included) or connect the USB cable. Number of shipments:1 pcs