Specifications: IC: WS2811 Color: RGB quantity of led:3pcs protection grade:IP65 voltage:DC12V lighting source:SMD5050 Certification: CE & ROHS Power Consumption: 1.5W/PCS beam angle:160 - 180 degree Use environment: -40 degrees - +50 degrees celsius Storage environment: -50 degrees - +60 degrees celsius Size: 75* 15 * 5mm Features: 1) high brightness 2) Self-adhesive tape on each module 3) Energy efficient, major reduction in power costs 4) Low heat, high brightness, works well under harsh conditions 5) Long service life more than 50000 hrs, virtually no maintenance during lifetime 6) without lead, mercury, and other harmful substances; healthy, environmental friendly Packing Included: 1pc x 20pc WS2811 1pc x14key 1pc x 12V 2A Power supply