High CR I> 90 DC 12V Dimmable SMD5050-300 Flexible LED Strips 30 LEDs Per Meter 10mm Width 450lm Per Meter High-End Product CRI90 Double-Sided PCB, gold wire copper support LED component, more reliable and less brightness depreciation. Medium Product CRI80 Double-Sided PCB, gold wire copper support LED component, more reliable and less brightness depreciation. Low-End Product CRI60 Single-Sided PCB, copper wire iron support LED component, less brightness, economical for temperary project. Technical Specification Wattage <14.4W/Meter Voltage 12V DC Beam Angle 120° Dimming Yes LED Type SMD5050 Strip Section 3LED per 2inch WxH 10x2(mm) LED QTY.: 60LED/Meter Length Available 0.5 to 5 Meter Available Color Pure White(5500-6500K), Warm White(3000-3500K), Warm White(2700K), Natural White(4000-4500K), Protection Grade Non-waterproof, IP65, IP67, IP68 PCB Background White Other Features Item CRI90 DC12V SMD5050-300 Tri-Chip Flexible LED Strips 30LEDs 7.2W Per Meter Weight 0.15kgs/roll for non-waterproof; 0.25kgs/roll for IP65/IP67; 0.5kgs/roll for IP68. PCB Backing Adhesive backing attached, and extra rubber mounting clips provide for IP67 and IP68 (2pcs every meter). Lead Single color strip has two contacts(V+,V-) and is Polarity Sensitive. Pre-wiring 20cm(8'') Red-Black lead wire is pre-soldered at one end of the strip