Warning with Internal Flasher with Flash Patterns and Synchronize Feature witha unique lens shape and patented Linear-LEDr designed reflector assembly, MSeries light heads are completely illuminated for unmatched high intensitywarning and low current consumption. SAE Class 1 Certified (warning) Single colors Available with Clear or color lenses Solid color models have 159 Scan-LockT flash patterns Available in warning, brake/tail/turn, turn, back-up, and scene light models Choose flash patterns from solid, left/right, top/bottom, in/out, or diagonal sequencing Brake/tail/turn, turn, and back-up lights meet applicable SAE requirements Available in steady-burn or with an internal flasher Warning lights with internal flasher have sync and low power functions Hard-coated lenses minimize environmental damage from sand, sun, salt, and road chemicals Surface mounts via two screws for easy installation A variety of mounting brackets and optional Chrome or Black flanges are available Multiple Scan-LockT flash patterns, many being California Title XIII compliant. Meets KKK-1822F, NFPA 1901, NFPA 1917, SAE, and EC65 specifications Size with flange: 10-3/8″L x 6-1/2″H x 1-3/8″D Five-Year warranty