4/8pcs 12V 24V Mini Side Rubber Marker Light Lamp Red White For Trailer Truck Caravan Van Specification : Product name : marker light Material : plastic Voltage : 10-30V Waterproof : IP65 Led quantity : 1pc/each side Height : 48mm/1.88in Between fitting openings : 45mm/1.77in Placement on vehicle : front / rear / left / right Wire connection : white&red wire -- positive; black wire -- negative Application : suitable for all vehicle with 10-30V VOLTS system，12v 24v and so on . Quantity: 4/8pcs Feature : 1.Energy saving,low power consumption, low temperature,waterproof,anti-shock& anti-vibration. 2.Used for trucks,trailers,semi-trailers, tractor etc. Universal for any 10V-30V Vehicles，12v 24v and so on . 3.Function as turn signal light,indicator light,side marker light, clearance light, trailer Light Identification Light etc. Note : 1.Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm). 2.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. 3.There is no instruction included.Professional Install is Highly Recommended!If you would like to know how to install,please contact us by email. Package includes : 4/8 x Side marker lights