BTF-LIGHTING 16.4ft 5M 5050 RGBWW RGB+Warm Whtie strip Mixed Color 60leds/m IP30 Non-waterproof 300LEDs Ribbon Lamps Multi-colored LED Tape Lights LED type: 5050 SMD RGB and cool white Mixed Color LEDs LED Color: RGB + Warm White multi mixed color LED Qty: 150 RGB LEDs+ 150 Cool white LEDs Working Voltage: DC 12V Use for Architectural Lighting, Bar, Club Lighting, Theater, Store or Restaurant, Home DIY lighting Brand:BTF-LIGHTING Gray level: 256 View angle: 120 Input voltage: <span class="a-text-bold">DC12V</span> Recommand power supply <span class="a-text-bold">:DC12V5A(60W)</span> Standard Reel Length: <span class="a-text-bold">16.4ft/roll</span> Power:18W/m0.3W/led90W/16.4ft Storage Temperature:-40-+50 C Operating Temperature:-25 ~ +50C Color temperature:<span class="a-text-bold">Warm White 2700K-3000K</span> Led Qty: 60leds/m .<span class="a-text-bold">150RGB LEDs+150 Warm White LEDs</span> Wave length(nm):Red,620-625nm ; Green,520-525nm ; Blue,465-470nm Luminous flux :Red 1.0-2.0lumens Green: 3.0-4.0 lumens Blue: 1.0-2.0lumens White: 5.0-6.0lumens Waterproof level:<span class="a-text-bold">IP30 Non-Waterproof</span> 1x16.4ft RGBWW  60LEDs/m <span class="a-text-bold">IP30 LED strip</span> 1x5 pin male connector 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 Adding DC12V5A <u>every 16ft (every roll)</u> You need a  signal amplifier  every <u>64ft .</u> If you light up  mixed white(red+blue+green)  consume a lot of power ,<u> the voltage will drop obviously .</u>