Constructed with a virtually unbreakable polycarbonate lens and ABS base, these lamps have the flexibility of 12 individual flash patterns from the single lamp. Want to change patterns? Simply push the integrated switch on the cigarette lighter plug from the comfort of your cab. Supplied with a sturdy fixed or magnetic mounting base, they can be easily mounted to any surface. With no moving or replacement parts, these lamps require no maintenance. With ROADVISION it’s FIT and FORGET.