how much current does it used per 5 meter a 24V?

DC24V3A is enough for DC24V 5meters FCOB LED strip https://www.amazon.com/dp/B09T6QQ2W5?ref=myi_title_dp

Does the brightness decrease along the length of the strip and if so, can power be injected at other places to reduce the brightness drop-off?

Yes ,the brightness decrease along the length of the LED strip . The LEDs at the far end of the strip might be dimmer because of the added resistance and voltage drop that occurs as the current flows to that end of the strip.This is a normal physical phenomenon, and all the LED strip cannot avoid this problem. The factors that affect brightness are： 1.Length . If your project is too long , the voltage drops . 2.Power supply . Make sure the power is enough for the project . 4.Brightness. The brighter the brightness, the more the consumption 5.LED quantity . More LEDs ,need more power . Solution： 1.Adding voltage every 5 meters (16.4ft) . 2.Lower brightness 3.Enough power 5.Using DC24V LED strip. 6.Less LEDs You can use DC24V or this kind of sigal amplifier : https://www.amazon.com/LEDENET-Single-Amplifier-Repeater-Channel/dp/B01LY7M712/ref=sr_1_3?crid=3UIQ04SAZ6I9L&keywords=single+color+signal+amplifier&qid=1656645595&sprefix=single+color+signal+amplifie%2Caps%2C297&sr=8-3

Can I cut this into multiple strips?

Yes ， you can cut it . There is a cutting point on the FPCB board , Follow the point line and cut it .

Can I cut this to make 90 degree corners with an adapter?

yes , you can search the 8mm width FCOB connector on amazon , you can find this kind of L shape connector

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BTF-LIGHTING UL Listed FCOB COB LED Strip Light Warm White 3000K | High Density 528LED/m Uniform Light, DC24V 16.4FT CRI90+ 10mm Width for Home Indoor DIY Lighting(No Adapter or Controller)

BTF-LIGHTING UL Listed FCOB COB LED Strip Light Warm White 3000K | High Density 528LED/m Uniform Light, DC24V 16.4FT CRI90+ 10mm Width for Home Indoor DIY Lighting(No Adapter or Controller)

Product ID: 360307133

Details

Brand
BTF-LIGHTING
Color
Warm White
Indoor/Outdoor Usage
Indoor
Light Color
White
Light Source Type
LED
Material
Metal

💡528 LEDs/m ultra dense brightness

🔧Cuttable & linkable for custom lengths

🛡️UL Listed for certified safety

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Description

✨ Illuminate your space like a pro—bright, sleek, and smart lighting that fits your vibe!

SMART COMPATIBILITY - Works flawlessly with top dimmers & smart controllers (Wi-Fi, Zigbee, Bluetooth) for total lighting control at your fingertips.
PLUG PLAY DIY READY - Strong 3M adhesive and solderless connectors make installation effortless—no electrician needed, just peel, stick, and shine.
TAILORED TO YOUR SPACE - Flexible, cuttable, and linkable design lets you customize length and layout to fit any room or project with precision.
BUILT TO LAST PERFORM - Premium double-layer copper PCB ensures superior heat dissipation and longevity, backed by UL safety certification.
SEAMLESS GLOW NO SPOTS - FCOB tech delivers ultra-uniform, soft warm white light at 3000K—perfect for creating cozy, professional ambiance.

The BTF-LIGHTING FCOB COB LED Strip offers 16.4 feet of ultra-bright, warm white 3000K light with an impressive 528 LEDs per meter density. Featuring advanced Flip Chip On Board technology, it provides a smooth, uniform glow without visible spots. UL listed for safety, it includes a strong adhesive backing and solderless connectors for easy DIY installation. Compatible with a wide range of dimmers and smart controllers, this flexible, cuttable strip is ideal for stylish indoor lighting projects requiring professional-grade performance and customizable design.

Specifications

ASIN	B091KFWZM5
Additional Features	DC connector, Dimmable, No Light spot, Uniform light, work with controllers or power directly
Best Sellers Rank	#5,721 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #64 in LED Strip Lights
Brand Name	BTF-LIGHTING
Color	Warm White 3000K
Color Temperature	3000 Kelvin
Connectivity Protocol	Wi-Fi
Control Method	Remote
Controller Type	Remote Control
Customer Reviews	4.6 4.6 out of 5 stars (841)
Form Factor	Strip Lights
Included Components	1X 16.4FT FCOB LED strip, 2X Non-Wired Gapless Solderless Connector, 3X LED Strip fixed Clips, 1X 20AWG 20AWG Extension Wires, 1X User manual
Indoor Outdoor Usage	Indoor
Item Dimensions	3.94 x 3.94 x 0.59 inches
Item Length	16 feet
Light Color	White
Light Source Type	LED
Manufacturer	BTF-LIGHTING Technology Co., Limited
Manufacturer Part Number	FOB5M24V10mm528LWWW30
Material Type	Metal
Model Number	FCOB-24V-528L-W-IP30
Number of Items	1
Number of Light Sources	2640
Occasion	Christmas
Power Source	DC
Theme	Home Lighting Decor
Unit Count	1 Count
Voltage	24 volts_of_direct_current
Water Resistance Level	Not Water Resistant
Wattage	70 watts

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₩56447

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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