Specifications Hign-concerned Chemical:None Voltage:12 V / 24 V Item Weight:130g/piece Model Name:sku77118 Origin:Mainland China Item Type:Turn Signal Color:Red/Yellow Size:5.6" Inner Diameter:4" Light Source:LED Led quantity:16 Service life:50000h Specification: Model:118 Product Name:Tail Brake Trailer Lights Color:Red/Yellow Outer Diameter:5.6" Inner Diameter:4" Bulb Type:led LED Quantity:16 LED Voltage:12V 24V Placement on Vehicle:Rear Water Resistant, Shockproof:yes Material:High Quality ABS Housing & PC Lens Qty:1/2/4x Function: Red Light - Tail Light Yellow Light - Turn signal Light White Light - Reversing Light Feature: Top LED: Each light has 16PCS upgrade LEDs, feature better heat dissipation, wider lighting angle, higher intensity light and extend a longer lifetime, features excellent bright light and extend a longer lifetime Stand Out Brightness: Output 3 times brighter light than others. High brightness of Turn/Brake light, low brightness of Taillight. Improve visibility and ensure you a safer night Easy Installation: Just surface mount the grommets & light setup, attach the 3-prong plug to light, and then connect the 3 wire lead. Ready For The Weather: Be highly silicon sealed, IP67 waterproof rating, always be ready for different kinds of weather attack Universal Application: Work on 12V-24V DC system, function as turn/Brake light, tail light for all kinds of trucks, trailers, tractors, semi-trailer, horse trailer, travel trailer, dump truck, special vehicle, etc. Just make sure the hole size before you purchase Package Included: 1/2/4Pcs 4 inch 16LED Red Tail Lights