This battery operated commercial quality beacon utilizes 20 ultra bright LEDs in a unique arrangement that simulates the rotating look. It has an adjustable rotation speed and powerful magnet on the bottom for attachment to vehicles or other metal objects. The beacon's applications include emergency use, farm machinery, industrial heavy machinery, manufacturing, POP displays, off-road use and party decoration. Battery life is 40 Plus continuous hours. For permanent applications, there is a 4.5V jack located on the bottom for use with an adapter/transformer ADAP-LLAS1000 (sold separately). Power: BATT-AA x 4 (sold separately). Alternate Power: ADAP-LLAS1000 (sold separately).