Warning Strobe Color Blue Lamp Type LED Flashes per Minute 180 90 Lamp Life 20 000 hr Lens Design Round Screw On Lens Material PMMA Housing Material ABS Mounting Magnetic Operating Temp -25 Degrees to 54 Degrees C Rating IPX4 Power Source (1) D Battery (Not Included) Current Drawn 0.28A AC Width 2 1/4 in Depth 2 1/4 in Height 4 1/2 in