Smart Funny Cat timing function- Smart Funny Cat timing function, smart timing game, runs 15 minutes every 1.5 hours. In random mode, the interactive cat toy automatically turns off the laser after 15 minutes to prevent your cat from being over-stimulated and keep the game exciting. Adjustable 3 Speed Modes-Choose slow, fast, . Choose the one that pleases and suits your cat. Older cats may respond better to slowness while energetic young cats prefer fast or random speed. Helps your cat maintain its natural hunting abilities. Improves mood, temperament and appetite. Adjustable circle ranges- The exciting laser pet toy rotates in a 360 degree random pattern on the floors, which appeals to the instinct of natural hunting of cats. it will form a large play area for your pet. Wall or floor projection can be adjusted to any angle, turning the house into a fun cat play area. USB Charging or Battery Powered- The light will not damage view. Works with 4 AA batteries (not included) or USB. You need to plug in the USB or install the battery to open this toy You can take this toy to any safe place. The cat will not be confined to a small place like other toys do.