✨✨What's in the parcel?✨✨ 1 Set : 3 pieces track light with 2 pieces 0.5M track rail ,also will send the I connector to connect 2 pieces 0.5M rail together ✨✨What is COB?✨✨ --It's COB light source ,do not have the bulb inside - COB (Chips on Board) , is a new technology of LED packaging for LED light engine. - COB LED is multi chips packaged, it can 10 times more increase lighting area, so it avoid uncomfortable glare by the maximum extent. - http://www.cob-led.com/What-is-cob-LED-chips-on-board.html - http://www.cob-led.com/COB-LED-Advantage-Chip-on-board.html ★★COB light source is more concentrated,Aim it right,Shine it bright ★★Muti-line hole aluminum material,Good Heat Dissipation ★★Adjustable track heads,90-degree vertical rotation,360-degree horizontal rotation ★★CRI 90+,see object's ture color ✨✨Specification✨✨ ★★Watts:12W 20W 30W 40W ★★Using the chip: COB ★★Frequency: 50/60Hz ★★Material: Solid Aluminum ★★Input Voltage: AC180-265V ★★Light body color: Black & White ★★Color temperature: Cold White Warm White Natural White #Tracklight #Tracklamp #Spotlight #CeilinglightFeatures11 #JPS