Size: Outer Diameter: 5.3" inch; Inner Diameter: 4" inch; Thickness: 1.3inch; Each taillight has 16 LEDs, 10 red led on the outer ring and 6 yellow led on the inner ring.
Multifunction: 4inch round red and amber LED trailer tail lights can be used as brake light, turn signal, Running Light and tail light, with the outer red LED featuring a dual mode (low and high beam) for tail brake lights and the center amber LED for turn and stop lights
Higher Quality: Each LED is individually isolated in a specially designed lamp cup, making the light illumination range wider. Adopt electroplated reflective shell 360° full coverage, fashionable shape is not easy to fall off, IP67 waterproof, ready for the weather
Easy to install: Black line is the ground, red line is the high brightness red light for brake light , blue line is the low brightness red light for tail light running light, yellow line is the amber light for turn signal light
Excellent applicability: Universal compatibility for vehicles equipped with DC12V Power Source supply, such as car, truck, heavy trucks, trailer, semi trailers, cargo trailers, marine trailers, boat, flatbed, bus, lorry, van, caravan, camper, RV, working vehicles