The Bright Star Permanent Mount Strobe Light is a practical and reliable solution for enhancing visibility and safety. With a 4" diameter and 4" height, this strobe light operates at 12-110 volts DC, providing a powerful 2.5 joules (200,000 candlepower). Available in amber, blue, red, clear, and green lens options, this light fits most makes and models. Each purchase includes all necessary mounting hardware, wire terminals, and rubber gaskets. Improve visibility on the road with this durable and versatile strobe light.