This strobe light features a sturdy stainless steel base and high visibility Fresnel lens making it ideal for vehicle visibility applications. The beacon is 7.75 inches in height and 5.375 inches in diameter, with a rate of 75 quad flashes per minute. With this durable and effective strobe light you will be sure to be seen day and night. Beacon is permanently mounted with the included bolts and is ready to be hardwired to a 12/24 V DC power source. The QM1C model has a dust cover for easy care and protection from pollution, salt water and UV damage. The base has an integrated 3/4'' threaded pipe mount receptacle for convenient pipe mounting. This product is made to order. Please allow 5 to 7 business days for factory assembly.