HTG THG Shock Resistant Safety 2x Amber Red Led 12V 24V Side Marker Tail Light Lamp Blinker Indicators Clearance Trailer Truck Bus RV Boat High visibility with 4 x super bright flux led, brings more safety while driving. More durable than conventional lights, special designed for extreme conditions Especially where vibration is a concern when you are travelling on rough unsealed roads Keep away the hassle and frustration of either repairing or replacing a blown bulb again. Vibration and Shock resistance, Longer lasting and Energy efficient.