Bring your police car to life with flashing emergency lights.  This set includes two 1x2 plates, one red and one blue, each containing a bright flashing LED.  The lights are connected by approximately 6 inches of wire to a compact battery brick.

Each battery brick comes preloaded with 2 LR41 replaceable batteries and features a convenient push-button on/off switch. Batteries are included, installed, and easily replaceable when needed.