Check the listing for details. COB LED Strip Light Width 5mm 3mm Tape Lights Home DIY Lighting Warm White Red. Condition: New. Listed at 3.31 USD. Notice: > DC12V/ DC24V COB LED strip CAN NOT directly connect to AC 110V or 220V! Must add DC12V/ DC24V power supply. > This item NOT include power supply, please purchase it addtionally! > The COB strip is jointed by 50cm-strip, so there are some jointed (welding) points on the strip, it's very normal! - Please calculate whether the power supply output of your power supply is consistent with the power of the COB led Strip. If the power supply power is too little will affect the brightness of COB LED strip. Specification: -Item: COB LED Strip -Working Voltage：12V or 24V -LED Quantity：384Leds/m -PCB Width: 5mm or 3mm -Power: Width 5mm = 10W/m Width 3mm = 7W/m -Operation temperature: -20℃-+45℃ -Storage temperature: -20℃-+60℃ -View angle: 180° -Waterproof Rate: IP20 Non Waterproof Features: 1. Very smooth & balance light, no lighting spot, no dark area. 2. Super bright and soft lighting. 3. Much more bendable and flexible than any other SMD led strip. 4. RA>90, much friendly for eyes. Package Included: 1x COB Led Strip