# Wiyifada A19 LED Black Light Bulbs, Dimmable 9W, 385–400nm UVA, 2-Pack

Create a fluorescent party or Halloween effect with Wiyifada’s dimmable A19 blacklight bulbs, featuring 385–400nm UVA output.

- [Original product page](https://www.ofertitastop.com/us/product/wiyifada-a19-led-black-light-bulbs-1)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-16T07:54:53.561Z
- Brand: Wiyifada
- EAN / GTIN: 767738164519
- Category: Home & Garden > Lighting > Light Bulbs > LED Light Bulbs
- Source store: amazon US
- Active deal: Yes
- Price: 7.98 USD
- Previous price: 9.99 USD
- Rating: 4.5 / 5
- Reviews: 3963

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

## Description

For parties, Halloween displays, or body art that call for a fluorescent blacklight effect, these Wiyifada bulbs provide UVA output in the 385–400nm range. Their A19 shape and E26 base fit standard E26 medium-base sockets. The two-bulb pack makes it easy to set up blacklight lighting in more than one fixture.

## What stands out
The 385–400nm UVA wavelength is designed to bring out the fluorescent effect in reactive pigments, paints, and dyes. That makes these bulbs a natural fit for glow-in-the-dark decorations, body paint, and themed party spaces. A 150-degree beam angle spreads the light across an area, helping illuminate a display rather than concentrating it in a narrow spot.

Each bulb uses 9 watts and is listed as a replacement for a traditional bulb up to 100 watts. The dimmable feature gives you another way to adjust the atmosphere for a setup, while the two-pack lets you place blacklight illumination in separate areas. Buyers often praise the purple-toned look and the way the bulbs activate fluorescent Halloween props, comments on brightness and longevity vary, so individual experiences should not be treated as a performance guarantee.

## What to know
These are A19 LED blacklight bulbs for indoor use, with a standard E26 base and 120V input. They are made for fixtures with an E26 medium socket, so installation is a simple screw-in replacement when the fixture matches those requirements. The stated operating life is 20,000 hours. Their blacklight output serves a different purpose from a standard white room bulb: choose them when you want fluorescent materials to stand out, rather than general-purpose white illumination.

## Everyday use
Use the pair to create a coordinated effect across a Halloween display, party room, body-art area, or other indoor space with reactive pigments. For example, placing bulbs in E26 fixtures around a display can help bring glow-in-the-dark props into the overall scene. They are also listed for settings such as Christmas décor, aquariums, bands, and body art. Keep the choice focused on the effect you want: a regular LED is intended for everyday visible lighting, while these bulbs are designed for blacklight ambiance.

## Practical questions
**What socket do these bulbs use?** They have an E26 base, also called a standard medium base, and are intended for matching E26 fixtures.

**What makes fluorescent decorations glow?** The bulbs emit UVA light at 385–400nm, which creates a fluorescent effect with reactive pigments, paints, and dyes.

**Can the light level be adjusted?** The bulbs are listed as dimmable, offering an adjustment for the lighting atmosphere in a compatible setup.

## Should you buy it?
Choose this two-pack if your project calls for indoor blacklight rather than ordinary white lighting. The 385–400nm UVA output, 150-degree beam angle, dimmable feature, and E26 fit make it a practical match for parties, Halloween props, and other displays using fluorescent or glow-in-the-dark materials.

## Images

![Wiyifada A19 LED Black Light Bulbs, Dimmable 9W, 385–400nm UVA, 2-Pack — 1](https://www.ofertitastop.com/i/HqmlSJWVH7-WyZLZT5aebLKfbuB-NK-58tdvojKWRBdi4I_x50ft_vpu543YViffJN8RkaXFZi-aWPoMAbAm5gE6iK39yiX0y1W4OuatjECNg0KdpCcAS-uETA.jpg)

![Wiyifada A19 LED Black Light Bulbs, Dimmable 9W, 385–400nm UVA, 2-Pack — 2](https://www.ofertitastop.com/i/r9sNconopV0aFBuY9CF5cT0mN9kJf0XsuyE8ZYUscKJXFcyCoH3kp5oqpncQT-tgQ-16IQBLHd6fn4Z3lItxtJ5wmTDyzdVvgMpYGGIoq5lBLlmTCeVf7cw2eQ.jpg)

![Wiyifada A19 LED Black Light Bulbs, Dimmable 9W, 385–400nm UVA, 2-Pack — 3](https://www.ofertitastop.com/i/0R9y_SnfixEPuS0qCOGG-ejozBpIN3SA_42YAjalfSkLP2aIU5ywDQ_4oHODLSfmkPmKE13i6u7s7q1w9lE9qz9egzhswt33XP7HuLEmRgvtrYqzp1cXVZfPAg.jpg)

![Wiyifada A19 LED Black Light Bulbs, Dimmable 9W, 385–400nm UVA, 2-Pack — 4](https://www.ofertitastop.com/i/q2ibNNoRHSQSXGTJ--spzDTcyoyFEVvccwuUGUAJb_2K8KLUPtJGF7c1hHL5Xs9dzHm5_BOcZqkz38_f9hzFGGGyHQvTpH-5_4u9FAE7qFu5kCkAZmCXGHSfRg.jpg)

![Wiyifada A19 LED Black Light Bulbs, Dimmable 9W, 385–400nm UVA, 2-Pack — 5](https://www.ofertitastop.com/i/KOybJ2VDw5t4FOp9DOC6GLwby3wQKt4GYr8vFr3ytmMs8DxUG8vZbih11IqwrmMciLM4iVPwf-V1uH0mHJuvmvzVVLDTf4yrLLP0FoxbRX5Zjwm5yt2btB_6pw.jpg)