This series offers selectable flash patterns of quad flash, double flash, or single flash via internal jumper. Easy twist on/off lens. Durable, polycarbonate plastic. Magnetic mount. The circuit is completely encapsulated for increased shock and weather resistance. Protected with a low voltage shutdown feature. Complete with mounting hardware and instructions. 4 2/3″H x 6 13/32″ diameter. 2 lbs. 12V – 48V DC. Amp draw: 1.2 amps @ 12V, .6 amps @ 24V, .3 amps @ 36V, and .175 amps @ 48V. One year warranty. Sold by each.