Features:Compact and small size, convenient to carry and store.Will NOT glow when it is light enough to keep item have highly efficient and longer life. You can cover the other end by dark paper if you want it flashing in daytime.Easy to install, just stick it to the roof of the vehicle with corresponding glue.This LED alarm light does NOT require a car alarm system.Details:Material: ABSColor: BlackLight Color: YellowSize: 5x2x1cm / 1.97"x0.79"x0.39"(L*W*H)Please Note:Please allow 0-3mm different due to manual measurement.Package List:1pcs Car Alarm Light.
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