# Nilight TR-127 4-Inch Red LED Trailer Tail Lights, 2-Pack

Pack: Nilight TR-127 trailer tail lights are a pair of 4-inch round red LED lights for 12-volt vehicle systems. The listing describes stop, brake, turn-signal and tail-light functions, and specifies brackets, rubber grommets and 3-pin connectors with attached wires in the included-components list.

- [Original product page](https://best-deals.pro/product/nilight-tr-127-4-inch-red-led-trailer-tail-lights)
- [View offer](https://best-deals.pro/visit/nilight-tr-127-4-inch-red-led-trailer-tail-lights)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Nilight
- Model: TR-127
- Category: Cars & Motorcycles > Auto Parts & Maintenance > Vehicle Lighting & Signals
- Price: 25.49 USD
- Previous price: 29.99 USD
- Discount: 15%
- Price checked: 2026-11-14T09:30:17.725Z
- Rating: 4.8 / 5
- Reviews: 207

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Two red round lights are described for tail, stop, brake and turn-signal duties, with lower brightness for tail-light use and higher brightness for stop, brake and turn signals.
- The listing claims an IP67 waterproof rating and silicone sealing.
- The 3-prong plug and attached wires are described with separate ground, tail-light and brake/turn functions.

## Pros

- The stated 12-volt compatibility and distinct wire functions can help when replacing lights on a matching vehicle circuit.
- Mounting brackets and rubber grommets are listed alongside the lights, providing two mounting components for installation.

## Cons

- Mounting requires matching the vehicle's hole and wiring arrangement, and the listing advises confirming hole size before purchase.

## Specifications

### Identity
- Brand: Nilight
- Model: TR-127
### Lighting and compatibility
- Light source: LED
- LED count and type: 12PCS 3030 SMD LED
- Lens color: Red
- Voltage: 12 volts
- Wattage: 24 watts
- Vehicle type: Truck
- Fit type: Universal Fit
- Position: Outside
- Lens material: Polycarbonate
- Waterproof rating: IP67
### Dimensions and installation
- Light size with rubber grommet: 5.3” diameter, 1.87” depth
- Rubber grommet hole size for surface mount: 4.46” diameter, 1.87” depth
- Round mounting hole diameter: 0.39”
- Screw length: 0.64”
- Wiring connector: 3-prong plug
- Wire functions: White wire with "O" ring for ground, black wire for tail light, red wire for brake/turn signals light

## Before you buy

- Confirm the available mounting opening and wiring connections before ordering. The listing gives a 4.46-inch grommet hole size for surface mounting and a separate 0.39-inch round bracket mounting hole.

## In the box

- 2 red round LED tail lights (Included)
- Round rubber grommet with 3-pin connector and attached wire (Included)
- 2 mounting brackets (Included)

## A good fit for

- Truck, trailer, RV or other 12V installations needing a pair of red round tail lights with stop, brake and turn functions.
- Buyers whose installation can use the listed bracket-and-grommet setup and 3-prong wiring.

## Less suited to

- Installations outside 12V systems or requiring a light color or shape other than red round lights.
- Buyers needing confirmed vehicle-specific fitment without checking their mounting opening and wiring first.

## Customer feedback

Customer feedback highlights perceived brightness, sturdy construction, functionality and quality, with some customers describing the lights as worth the price. Those impressions may matter for buyers seeking a pair of multi-function red trailer lights, but they do not confirm the listed IP67 rating, fitment or installation dimensions. The aggregate ratings are mostly five-star, while lower ratings are also present, so they do not establish universal satisfaction.
- Positive themes: Customers report that the lights are bright and sturdy.
- Positive themes: Feedback describes good quality and useful functionality.

## Frequently asked questions

### What functions are these lights intended to provide?
The listing describes tail-light operation at lower brightness and stop, brake and turn-signal operation at higher brightness.
### What voltage do they use?
The listing specifies 12 volts and describes them for DC 12V systems.
### What mounting dimensions should I check?
The listed grommet hole size for surface mounting is 4.46 inches in diameter. The bracket's round mounting hole is listed as 0.39 inch. Check these against your installation.
### What is included?
The manufacturer contents list names two red round LED tail lights, a round rubber grommet with 3-pin connector and attached wire, and two mounting brackets.

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## Add-ons

- [PVerandio 10Pcs 2 Inch Round Amber 9 LED Trailer Side Marker Lights \| 2" LED Round Trailer Clearance Marker Lights with Plug](https://best-deals.pro/visit/nilight-tr-127-4-inch-red-led-trailer-tail-lights)
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## Images

![Nilight TR-127 4-Inch Red LED Trailer Tail Lights, 2-Pack — 1](https://best-deals.pro/i/lcUTpp-68zhP5twJwia106xB_oCezfbC-Q4vqEgzF6BY0kf2BE6xYXO4_4lyaA2HdFsExZt-a4gD-FRV52ZvpauCZXhfbaLdVzmPadHcD_f0aSuqeE4liE1w.jpg)

![Nilight TR-127 4-Inch Red LED Trailer Tail Lights, 2-Pack — 2](https://best-deals.pro/i/__g4KUTnbxqd52yzeG7rmQ0RVKlmMaVwvCnHJZA7lgGQ3YgWjjpfsrlrNaT46rvQzw9noHU_HOoGGAqGltnYP27P4ZT_dSPn-UtKuznO5YuogXqGxU10D8cC.jpg)

![Nilight TR-127 4-Inch Red LED Trailer Tail Lights, 2-Pack — 3](https://best-deals.pro/i/CRtLfBg5SnJVE3LtBm97_9CpzUdgoSShoXd6LkiG2naOinVsz2WyR2fAh5cccGLtS4oBfIkOrxS37n_dXHQvpLLlxtSaXxW0yZCFoRyhtAMWLjd4wH277ZFx.jpg)

![Nilight TR-127 4-Inch Red LED Trailer Tail Lights, 2-Pack — 4](https://best-deals.pro/i/ECJm2faRLQ6cjCXb-FrQCmiwBXrZkSujpNht_XdrRuaVQMWw6IwfFDLTn1odBTVYJZXLd0OB4Z2Ma2gewTgSB361BvmeqvOnp0P0h2WrFkJ2fT1GHetfAe9H.jpg)

![Nilight TR-127 4-Inch Red LED Trailer Tail Lights, 2-Pack — 5](https://best-deals.pro/i/wx9yAJPj4ajwrklJEzOogqy9mtzF0-ItD1wxYn776tBwsJ0O3J-Oy_WZE4aAG7nFCEAaj0kQQu5YCD35op-yrG9Sw9YcGXxKed3N2QFXvmWt1eAvXBwtuxZn.jpg)

![Nilight TR-127 4-Inch Red LED Trailer Tail Lights, 2-Pack — 6](https://best-deals.pro/i/Za8QOSNp3-RaALMaJB_E3_eIuP9A00Suy5O741Pr-y0mcpXjMbZJOBI416mCqdQGGSGGVcmGg6uJ0RNxBNHXHyeSCcZ8oZNurEZfPyoljLxJOMB82MfqXFDl.jpg)

![Nilight TR-127 4-Inch Red LED Trailer Tail Lights, 2-Pack — 7](https://best-deals.pro/i/hybxn0qp7yZYmB4wbk16LKkIB8B_BIzQicNwrLkRtxzdYkwzAj2aYndmbYdqF1TW-H1KQbKOZ3w3HzlwoEGKs0JUYkHzrTAQCBhqQKocz_432NOreIUgx6ST.jpg)