MJJC | 20M 15M 5M 10M Running Water Flowing LED Strip Light DC24 WS2811 SMD2835 Horse Race Pixel Addressable Flexible Linear Lamp Set

Please note:this aluminium profile need extra to purchaseQ & A:Question 1: Why I bought 15m led strip full set,only appro. 12m working well ? how is the rest strip ?Answer:Just increase the pixel points (IC SET on the remote panel) till the whole led strip is working well.Question 2 : Why I bought 15m led strip, the rest part is not so brighter as the beginning ?  or it is flash Answer:  Just connect a extention power cable from led strip to the power supply to solve this.  Because there is voltage-drop when the led strip is too long, you have to connect all led strip to the power supply at each 10metrs.  If you worried abut it, youcan buy an extra power supply for the whole projects.