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LED controllers for fish tank lighting (fresh and sea water) and LEDs are in stock and available immediately. Nonetheless, please plan your demands in good time.

CoolTWILED 3.x is a wireless programmable 12channel LED controller/driver board. Configuration is possible via browser on almost any platform: Windows, Linux, Android, Apple IOS.

20 Watt CVU LEDs combine cyan (490nm), violet (420nm) and UV (380nm & 400nm). cvu_rgb_en.jpg

On request, CoolTWILED 3.x SLAVE is available with fan ports (so that two additional fans can be connected per board).

Please order via email

If you have questions, please read the pages below “Available for ordering”.

Please order via email:

Available for ordering


Fresh water and marine aquariums of our customers (built using our lighting controllers and LEDs).

No longer available

Other projects


This page in German (Seite auf Deutsch)

Payment and shipping

Please plan your project ahead and allow extra time for building and tests.

Current prices are listed on the items' pages (see the sidebar on the left).

Packing and shipping is 8 EUR world wide. Shipping is insured and we will email you a tracking number.

You can pay using bank transfer or PayPal.

We will send out bank details and our PayPal address as soon as we're able to process your order. Please do not forget to mail us

  • type and amount of items you need,
  • unless you order CoolTWILED as part of a bundle: Current configuration (A-L),
  • your address.

Email us your orders and requests to If you have questions, difficulties or doubt during assembly we will try our best to help you.

Usually the items will be shipped within 1-2 work days after payment.

Please make sure returns are sufficiently stamped. Not prepaid parcels will be returned.

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