Warning Light, LED Strobe Effect Amber Light, Black Housing, Dim A (1): 4.75″ (12.5 cm) Wide x 1.57″ (4 cm) Deep x 1.89″ (4.8 cm) Tall, Dim B (2): 3 Wire For Hookup Options., Dim C (3): Black – Ground, Dim D (4): Red – Flashing, Dim E (5): White – Constant, Dim F (6): 10 – 30 Volts, Dim G (7): 4 – 3 Watt LED Lights, Dim H (8): Internal Flash Components. No External Flasher Bulb Required., Dim I (9): The Flash Frequency Is On 50ms Off 50ms For 6 Times, Then Goes Off 450ms & Repeats, Dim J (10): Lens Material: Acrylic, Volt: For 10 – 30 Volt systems