Kindly note: • The strip can not connect to 220V or 110V directly!!! It needs paintings with DC 5V 12V transformer. • The COB strip is jointed through approach of 50cm-strip, so there are some jointed (welding) facets on the strip, it&;s very normal. when you mind, please don't take an order . • The strip come without power supply. Specification: • Working voltage: DC 5V 12V • LEDs quantity: 320leds/meter • Emit color: white/warm white/natural white • Color temperature: heat white 3000-3500K, pure white 4000-4500K, white 6000-6500K • Power: 6-8W/ meter • Waterproof grade: IP21 non water resistant • COB width: 3mm 5mm 8mm • RA (CRI): >90 • Length: 0, 1m, 2m, 3m, 4m, 5m Features: • Super shiny and extremely balance gentle lighting. • Much more bendy and bendable than another SMD LED strips. • Can be minimize or jointed via varied length. • High CRI for greater lights effect. • High luminous efficacy, save power! • With adhesive tape on the back, clear to install. • Cuttable, shortest can lower to 10mm. Package included: 1 x led strip (power delivery not included)