Patent ID: 6883930

Claim:
A signal light comprising: a. a casing having a front face, an opposing rear face oriented at least substantially parallel to the front face, and sidewalls extending therebetween, wherein the casing has: (1) a thickness dimension measured between its front and rear faces of less than or equal to 0.75 inches; (2) a width dimension measured between opposing sidewalls; (3) a height dimension measured between opposing sidewalls perpendicularly to the width dimension; and (4) a front face area of less than 8 square inches; b. two or more LEDs spaced about the front face of the casing, wherein at least two of the LEDs are spaced apart by a distance at least as great as approximately one-half of the greater of: (1) the width dimension, and (2) the height dimension; c. one or more batteries enclosed within the casing; d. a switch on the casing; e. a powering circuit supplying power from the batteries to the LEDs when the switch is activated, the powering circuit causing at least one of the LEDs to be illuminated at a frequency of greater than 0.5 Hz; f. at least one of: (1) a suction cup, and (2) a magnet, located on the exterior of the casing.