Siren Speaker, Product Type Siren Speaker, Overall Length 7 in, Overall Height 6 in, Overall Width 3 in, Features , Easy Versatile Mounting, Light Weight, Includes Mounting Hardware, Compatible with Series Wolo 4000: Wolo 4001, Wolo 4100, Compatible with Manufacturer Model Number 4001, Compatible with Grainger Part Number 33HE59, 33HE60, 33HE63, Standards GBT/19001 ISO 9001, Color Gray, Operating Voltage 12V DC, Wattage 100 W