GOOACC 4in Round Trailer Tail Light 4PCS - Bright, Waterproof LEDs

In this review of the GOOACC 4in round trailer tail lights the bottom line is simple: these lights are a practical upgrade for any 12V trailer, truck, or RV that needs clearer brake, turn and reverse signaling. The reviewer found the set of four easy to install and noticeably brighter than standard bulbs thanks to the 12pcs 3030 SMD LEDs in each lamp, which deliver two distinct brightness levels in red and white for improved visibility. They are best for owners who want a durable, weatherproof lighting solution without changing wiring harnesses or sockets.

Key Features

• Upgraded Bright LED: Each lamp uses 12 3030 SMD LEDs to produce strong red and white output so drivers behind can quickly see braking and reversing changes.
• Two Brightness Levels: The light outputs both a red and a white mode, providing clear brake/turn signaling plus a bright reverse function.
• IP67 Waterproof Construction: Ultrasonic sealing between cover and base resists water intrusion so the lights cope with rain, washdowns and wet roads.
• Surface Mount Fit: Designed for a 4.46 in diameter mounting hole and 1.87 in depth, making it straightforward to prepare and install into grommets supplied.
• Secure Plug Connection: The 3-prong plug and upgraded grommet notches lock the light into place and reduce the chance of loosening during use.
• Long Service Life: Fast heat dissipation and LED efficiency promise more than 50,000 hours of service for long-term reliability.

Who It's For

These lights are aimed at trailer owners, small truck and RV operators, and farmers with tractors or utility trailers who want brighter, more durable signaling than halogen bulbs provide. The IP67 rating and robust plug design make them useful for work trailers, horse trailers and other vehicles exposed to weather and road spray.

Shoppers who need different voltages or an integral mounting bracket may want to look elsewhere; likewise, if you require lights that fit existing nonstandard housings or smaller mounting openings, confirm hole dimensions before buying.

Pros & Cons

Pros

• High visibility from the 12 3030 SMD LEDs helps improve safety at night and in poor visibility.
• IP67 waterproofing gives confidence for outdoor and all-weather use.
• Plug-and-play 3-prong design and grommet notches make installation secure and repeatable.
• Durable construction and long rated life reduce maintenance frequency.

Cons

• Requires a 4.46 in diameter, 1.87 in deep mounting hole which may not match all existing fixtures without modification.
• Designed for 12V systems only, so not suitable for vehicles with different electrical setups.

Specifications

Brand	GOOACC
LED Count per Light	12 pcs 3030 SMD LEDs
Mounting Hole Size	4.46 in diameter, 1.87 in depth
Functions	Turn / Brake / Reverse / Tail
Waterproof Rating	IP67
Operating Voltage	12V DC
Estimated Life	Over 50,000 hours

Our Verdict

The GOOACC 4in round trailer tail lights are a good value for anyone needing brighter, weatherproof trailer lighting on a 12V system; they combine clear LED output, secure 3-prong connections and long life to reduce future maintenance. Buy these if you can accommodate the specified mounting hole and want a rugged, visible upgrade for trailers, trucks and RVs.

Frequently Asked Questions

Will these fit my trailer existing sockets?
They use a 3-prong plug and are designed to mate with common back sockets; verify your socket and the 4.46 in hole size before purchase.

Are they weatherproof for constant outdoor use?
Yes, the lights are sealed to an IP67 rating and are intended for use in rain and wet road conditions.

What voltage do these require?
They are built for a 12V DC electrical system and will not be suitable for other voltages without modification.