Shape construction: 45 Capes, open up and down Surface handle: FL polyester spurt, the color have mainly pearl white and glisten silver, etc. Light source: Domestic light tube T4 Electronic ballast: CE,UL,SAA, PSE,CCC ect Application: It can be used for subway, station, trade center,bar,airport,library,market, amusement place, lift, office, bank, bus shelter,announcecard,etc.