The Ltech F4-3A wireless receiver works with the EX series LED Controllers to produce the desired effect on your RGBW or Single Colour led tape. The F4-3A can run up to 288w Maximum. Several F4-3A can be programmed together to work with each zone on the EX series controllers. The F4-3A can run a maximum of 15 meters of the XD60 RGBW LED Strip. ( Note: each 5 meter reel should be connected in parallel and not in series.).