Flashing Ball: These clear plastic flashing balls light up and flash when they are touched and move. How to Work: Press the switch to start, the ball will flash for about 3 seconds after cat not playing with the ball, and then stop emitting light, touch it again to roll the light, and press the switch again to turn off the power. Pet Toy: They are designed for cats and pets, but have been used by paranormal investigators for some times now. Portable: Small size, easy to carry. Design: Transparent football-shaped shell with bright red switch. Power by: built in 1.5V button batteries Material: plastic colour: As shown Package Contents: 3 x flashing ball Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.