If i purchase only wb5, do i not need a gateway to connect to alexa?

It doesn't need a gateway , it can connect to alexa directly . Can you send us your order ID ? support@btf-lighting.com

Can this controller run this led strips https://www.amazon.com/btf-lighting-similar-addressable-10pixels-flexible/dp/b0b9s3xfjb?ref_=ast_sto_dp&th=1

No，it cannot control it. You should use the SP617E controller to control the WS2814 RGBW LED strip

I cannot get this controller to display warm white, it only does cw. is it defective? (mine are 24vrgb-ww)

Can you contact us support@btf-lighting.com ? we need your order ID . If you just light up CW ,well you just light up mixed white(red+green+blue) not pure white , please set the controller indicator lamp to green , the green lamp is RGBW mode . And you light up note pure warm white . If you don't know , we can send you a video , please contact us .

Does it work together with a led driver controlled by a wall switch dimmer? i.e., dimmer switch to led driver to this controller?

This WB5 controller work with power supply . For example ,you light up some DC12V FCOB 2700K LED strips , you need a AC-DC DC12V5A 60W power supply . Connect the DC12V5A to this WB5 controller, the connect connect the FCOB LED strip . And then you can use the APP WIFI control this controller , Or use a RF panel remote to control .

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C02W

Product ID: 417505165

Details

Brand
BTF-LIGHTING
Colour
White
Item weight
0.04 Kilograms
Material
Plastic
Product dimensions
7.5L x 3.6W x

🌈2700K-6500K adjustable CCT dual white

📶3 control modes: RF, App, Voice

🔗30M auto signal transmission range

SI$918

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Sold byAmazon Solomon IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💡 Light smarter, live brighter — control your ambiance your way!

POWERFUL COMPATIBILITY - Supports a wide range of CCT LED strips and bulbs up to 360W, perfect for any smart lighting setup.
DYNAMIC SYNCHRONIZATION - Automatically sync multiple controllers to create unified lighting moods without extra hassle.
SEAMLESS TRIPLE CONTROL - Effortlessly switch between RF remote, Tuya Smart app, and Alexa/Google voice commands for ultimate convenience.
INFINITE RANGE EXPANSION - Extend your lighting control beyond 30 meters by chaining controllers with automatic signal relay.
SMART AUTOMATION SCHEDULING - Set timers, sleep/wake modes, and scene presets to tailor your lighting to your lifestyle and biorhythm.

The BTF-LIGHTING C02W WiFi CCT Dual White LED Controller offers versatile 3-in-1 control via 2.4GHz RF remote, Tuya Smart app, and Alexa/Google voice assistants. It supports adjustable color temperatures from warm 2700K to cool 6500K, compatible with various CCT LED strips and bulbs up to 360W. With automatic synchronization and signal transmission extending up to 30 meters, it’s ideal for seamless, scalable smart lighting in homes or commercial spaces.

Specifications

ASIN	B096VN5NS1
Best Sellers Rank	38,125 in DIY & Tools ( See Top 100 in DIY & Tools ) 35 in Home Automation Hubs & Controllers
Brand	BTF-LIGHTING
Colour	White
Country Of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (81)
Display Type	LCD
Item Dimensions L x W x H	7.5L x 3.6W x 1.7H centimetres
Item Highlight	C02W CCT Color Temperature LED Controller Group Control Compatible with Alexa Google Home APP Control Work with WR02RF Remote
Item Weight	0.04 Kilograms
Manufacturer	BTF-LIGHTING Technology Co., Limited
Manufacturer Part Number	C02W
Material	Plastic
Model Number	MiBoxer FUT035W
Number of Items	1
Operating Temperature	40 Degrees Celsius
Unit Count	1.0 meter

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SI$918

Duties & taxes included

In stock

Sold byAmazon Solomon IslandsDelivered 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 Solomon Islands.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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