【Super bright】10 x 2 LEDs per light, with new SMD LED technology - much brighter than ordinary LEDs. 【Amber LED side marker lights】Amber light. Yellow wire to positive, T-Black wire to negative. 【Easy to install】 No need to replace a circuit during installation, just replace the old lamp directly or install it in the position of your choice. 【IP65 waterproof】 IP65 waterproof grade, can be used even in stormy weather. 【For 12/24V vehicles】 Be compatible with all vehicles with 12/24V system, such as truck, trailer, RV, caravan, etc.