Super Bright 72-1243-2 Click-On Stick up LED Lights by Super Bright, Set of 8 Features include: Set of 8 Click-On's 4 Super Bright LEDs Press center of light to switch ON/OFFEasy install - No wiring required Each Light requires 3 AA batteries (not included) Dimensions (each light): 2.625 x 2.625 x .875-Inch