STAR UNION WD220 Bike Rear Light – Turn Signal, AAA Battery, IPX4 Waterproof

$25.00
$25.00 $39.00
Save $14.00

Key Feature:

1. WD220 rear light helps improve rear visibility for bikes and eBikes.
2. Built-in position light and turn signal function support safer daily riding.
3. Three high-power LEDs with precision light guide strips provide clear rear lighting.
4. AAA battery-powered design makes it easy to use without bike wiring.
5. IPX4 waterproof protection and 50mm mounting size support daily outdoor riding.
Product description

WD220 BIKE REAR LIGHT WITH TURN SIGNAL

Improve rear visibility with the STAR UNION WD220 rear light.

Designed for bicycles and eBikes, this rear light combines position light and turn signal function in one compact unit. It features three high-power LEDs, precision light guide strips, AAA battery power, and IPX4 waterproof protection for daily riding.

• Rear position light
• Turn signal function
• Three high-power LEDs
• AAA battery-powered design
• IPX4 waterproof protection
• 50mm mounting size


REAR LIGHT WITH TURN SIGNAL FUNCTION

The WD220 combines rear position lighting and turn signal function to help improve rider visibility.

It is suitable for commuting, city riding, low-light riding, and daily bike or eBike use.


THREE HIGH-POWER LEDS

Three high-power LEDs provide a clear rear light source.

Precision light guide strips help distribute the light for better rear visibility.


AAA BATTERY POWERED

The WD220 is powered by AAA batteries, making it easy to use without connecting to the bike controller or wiring system.

Please check the battery direction and installation before use.


IPX4 WATERPROOF PROTECTION

The fully sealed design helps protect the rear light from splashes and wet riding conditions.

IPX4 waterproof protection supports daily outdoor riding in changing weather.


CHECK COMPATIBILITY

Before ordering, please confirm:

• Your bike has a suitable rear mounting position
• The 50mm mounting size fits your bike
• The light size fits your rear rack, seatpost, or mounting area
• AAA batteries are suitable for your use

Not sure if it fits?

Send us photos of your current rear light and mounting position. We will help you check compatibility.


WHAT’S INCLUDED

• 1 × STAR UNION WD220 rear light

NOT INCLUDED

• AAA batteries
• Controller
• Extension cable
• Extra mounting bracket
• Installation tools


PRODUCT DETAILS

Model: WD220
Product type: Bike rear light
Function: Position light + turn signal
Light source: LED
Power: 0.8W
Battery: AAA batteries
Waterproof rating: IPX4
Size: L95mm × W45mm × H19mm
Mounting size: 50mm
Weight: Approx. 46g
Application: Bike and eBike rear visibility
Approval: CE / CQC / CPSC


FREQUENTLY ASKED QUESTIONS

Is this rear light compatible with all bikes?

No. Please confirm the mounting size and installation position before ordering.

Does it need bike wiring?

No. This model is powered by AAA batteries.

Does it have turn signal function?

Yes. The WD220 combines position light and turn signal function.

What is the mounting size?

The mounting size is 50mm.

Is it waterproof?

Yes. It has IPX4 waterproof protection for daily riding in wet conditions.

Are batteries included?

Please check the product package information before ordering. If not listed, AAA batteries are not included.



Shipping & Return

Most U.S. orders ship from our U.S. warehouse and are usually delivered within 3–6 days.

Orders to other countries, out-of-stock items, and customized products may ship from China and are usually delivered within approximately 14 days.

We want you to be completely satisfied with your purchase. If you have any questions, concerns, or complaints, please contact our online support team or email us at grt@star-union.net. We will respond within 8 hours.

Items can be returned or exchanged within 30 days of delivery. Please contact us before returning an item so we can help you with the next steps.