Assembled Light Units: Type - Stack Light; Signal/Lamp Type - Flashing LED; Voltage - 24VAC/DC; Number of Lights - 2; Colors Included - Red, Yellow; Flash Rate - 105/Min; Mounting - Surface Mount; Housing Color - Black Housing; Base OD - in - 10.15" (258mm); Additional Information - Housing Material: ABS Resin, IP65, Temperature Rating: -25 to 55 deg C (-77 to 131 deg F); Manufacturer Series - LD6A