The M-Tech series LED lights are the latest to incorporate highly efficient optics. Designed for interior dash, deck, or window mounting. The DL35 series LED lights offer an extremely wide light distribution. Choose from single or double LED head units. They offer customer selectable flash patterns, reverse polarity protection, and auto-voltage adjustment (10V - 16V DC). The circuitry is encased in a durable polycarbonate plastic housing that includes a flashback reduction hood. Rated for up to 100,000 hours of use with an extremely low amp draw. These units are ideal for all types of emergency vehicles. They are shipped complete with mounting hardware and instructions.