MECO Spider Scary Toy Remote Control 8'' 4CH Realistic RC Prank Holiday Halloween Gift Model TIPS: Because the machine is running, it will have a certain sound it is not silent. EASY-TO-USE: Put the battery in the spider and the remote control and open the ON/OFF switch on its body and put your hands on the transmitter. Batteries for spider and the remote control: 4x1.5V "AA"+ 1x9V(6LR61)battery(Not High Capacity Battery, or may cause short circuits or even smoke).***[Batteries not included]. Please check if both installed batteries, and the positive and negative is correct or not. GREAT for PLAY: Can crawl like a real spider by its feet. Fun for Everyone and Spooky for others! Scare your friends, family members or even yourself! AS A GIFT : Toys for kids or pets, Halloween Prank, Christmas gift, April-Fools' Day trick.