Exercise & fun 5 laser images for your pet to chase! Our Cat Laser Chaser will provide your pet with hours of entertainment and help to keep them active and healthy. Simply rotate the lens to switch between images - great exercise for your cat as it chases the beam! Instructions: To insert batteries unscrew end cap of laser pointer. Insert 3 x LR44 batteries with negative pole facing inwards. Press On/Off button to operate. Rotate lens to change image