has anyone confirmed the wattage with their 1a power supply with a kill-a-watt type device?

Mine came with a 2 amp power supply. The sticker on the back of the light says it pulls 8 watts which equates to .66 amps. So even a one amp supply should be fine.

I'm going to try to use these with a poe splitter. what size is the ac adapter plug going into the unit?

It's a 2.1mm x 5.5mm barrel plug

I have amcrest cameras my night vision is 98 ft and I’m only getting half of that will this give me more night vision or do I need to go to the next l

You need to check the wavelength of the IR LEDs before you buy these lights. If they aren’t the same as your camera they won’t work at all. If they are the same , then you can either buy these Illuminators in wide angle which will light up a wider area but not as much distance, or a spot illuminated which will give you the needed distance.

Where can I get the adapter and why sell it without one?

It does come with it. It’s the 12v output power adapter that goes into your wall.

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Univivi IR Illuminator 90 Degree Wide Angle 8-LEDs IR Infrared Light 850nm Infrared Illuminator for Night Vision IP67 Waterproof Outdoor for Security Cameras

Product ID: 47451903

Details

Color
Black-8W
Material
Aluminum
Light Source Type
Infrared
Shade Material
Metal
Power Source
Corded

🌗850nm invisible IR wavelength

💧IP67 waterproof durability

📐90° ultra-wide angle flood

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Description

🌙 Illuminate the unseen — because your security deserves the spotlight at night.

PLUG PLAY POWER - Includes 12V/1A adapter and mounting kit—easy installation perfectly aligned with your security camera’s field of view.
PANORAMIC IR COVERAGE - 90-degree wide-angle beam floods your entire surveillance zone—no dark spots, just crystal-clear night images.
BUILT TO BRAVE THE ELEMENTS - Rugged IP67 waterproof aluminum housing with reinforced glass and stainless steel screws for year-round outdoor reliability.
SEAMLESS NIGHT VISION BOOST - Automatically activates at dusk with built-in photocell sensor for effortless, energy-saving security.
TRUSTED LONGEVITY PERFORMANCE - Proven to outperform camera IRs with consistent 10+ watt output and durable components that last years.

The Univivi IR Illuminator delivers powerful 850nm infrared light through 8 LEDs with a 90° wide-angle beam, enhancing night vision for security cameras. Featuring an automatic dusk-to-dawn photocell sensor, IP67 waterproof rating, and robust aluminum construction, it ensures reliable outdoor performance. The package includes everything needed for quick setup, making it a top-rated, durable solution for professional-grade nighttime surveillance.

Specifications

ASIN	B075F7NV56
Best Sellers Rank	#5 in IR Illuminators
Customer Reviews	4.2 4.2 out of 5 stars (1,850)
Date First Available	September 6, 2017
Is Discontinued By Manufacturer	No
Item Weight	1.17 pounds
Item model number	U8R
Manufacturer	Univivi
Product Dimensions	4.5 x 3.35 x 4.25 inches

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