Yifengshun Emergency Surface Flashing Construction Review

✔【High Performance Warning light 】:high quality aluminum alloy casing + PC lens, Ultra-thin waterproof design, anti-collision, dustproof, splash-proof / non-polluting, no noise, no electronic interference.Better heat dissipation and unlimited installation possibilities. ✔【Many Patterns】:18 strobe modes with memory function. Last pattern memory recall. 2 lighting mode , constantly &strobe mode. Pls make sure the lights are same pattern, then the Sync function available (When the yellow wire touches the positive electrode, the mode will change.When the yellow line is released, the mode is fixed). ✔【Excellent Visual Effect】:12 pcs super bright LEDs, Quick instant start-up time, Low power consumption, High intensity strobe, 4 times Brighter than before, keeps your driving safe at day /night. ✔【Installation And Use】:3-wire connection: the black wire is connected to the negative electrode,Red wire to positive ,When the yellow wire touches the positive electrode, the mode will change; it can be installed on any surface of the vehicle by drilling,Plug and play,No need to change the original car line,convenient and fast. ✔【Wide Applications】:These emergency warning flashing light Universal for 12-24V all Car, Off road vehicle, ATVs, Truck etc. Can be installed in multiple places of the car, such as front, side, and rear, it also can be used as surface grille light.