BDFFLY TV LED Backlights with HDMI 2.0 Sync Box Without Camera, RGBIC LED unboxing and instructions

Device:
LED amzn.to/3V1cFTd
BDFFLY TV LED Backlights with HDMI 2.0 Sync Box Without Camera, RGBIC LED Strip Lights for TV Picture Sync, for 85 Inch and Below TV
【TV LED Backlight】Our 4K@60Hz HDMI box captures the colors on the screen via HDMI signal and automatically applies to your TV backlight. No lag and full color synchronization with the screen.
【Easy to Install】You can customize the length of the light strip by cutting it, the LED light strip can be cut between every 3 LEDs, so it can be easily attached to the back of the TV screen. The rear 12.5ft light strip consists of 2 pieces and can be securely mounted on 4 sides of any 55-65" monitor using clips and adhesive (included). Each side is connected by a flex cable. (Note: The light strip does not support repeated pasting, which may weaken the stickiness of the light strip.)
【Immersive Experience】Our HDMI Sync LED Backlight has an HDMI Sync Controller Box that allows you to connect with HDMI 2.0 sources. The HDMI sync controller ensures high accuracy of color reproduction through the light bar, unaffected by other lighting equipment. This is a great gift for family and friends.
【Automatically check the black edge】 When the device is connected, the black edge will be automatically recognized (the light strip flashes for 2 seconds). If the black edge is not correctly identified, you need to use the BC button of the HDMI control box to turn on and off the black edge check function; let you Enjoy the visual feast to the fullest without being affected by black borders.
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[@tonygarcia1311]

Question can you just use this product with out any consol connected? Like can I use it with my Smart TV?

[@psychoround6764]

I think you should have focused a bit more on how it performs. Didn't seem like it worked very well from what you showed. Also looked like you had other lights on in the room

[@Steve30x]

Is it possible to control the brightness level of the LEDs?

[@anthonydale5318]

I cant get the lights to sync any ideas? I can't find anything online

[@vp5859]

Same Problem you found any solutions?

[@tinameno30126]

Same. Haven’t been able to. Just got ‘em. Convinced everyone’s lying that it actually works.

[@mykehdoom]

They work just fine. But only devices you connect to the sync box via HDMI.