TYPE: STROBE LIGHT. Postal Vehicle Safety Light. STYLE: QUAD Flash. SIZE: 6" High, 6" Diameter. 5 Foot Coiled Cigarette Lighter Cord. The high-intensity orange strobe light emits four flashes each cycle, alerting surrounding pedestrians and vehicles that the postal carrier is nearby. The quad flash sequence distributes 4 rapid flashes similar to most emergency vehicles and draws your attention the vehicle better that the single or double flash sequence strobe beacons, and the intensity provides the same intensity of light as most emergency vehicles which can be seen for 100 to 150 yards whereas most strobe beacons provide around 25 to 50 yards. This light exceeds USPS-Specifications for Rural Carrier Safety Lights of 14 Joules. Carries a 17 Joule Rating. Features: 12V DC cord; Magnetic base for easy mounting or removal; BULB: N1029901. ADDITIONAL STROBE LIGHTS: S1000282, N1014757, N1018125, N1016235, N1016236, N1016237