1,9LED,0.54W 2,Charging voltage:110-120VAC or 220-240VAC 3,3.6V 500MAH Ni-Cd battery 4,Charge time: 24 hours 1,5LED,0.5W2,Charging voltage:110-220VAC3,3.6V 500MAH Ni-Cd battery4,Charge time: 24 hours5,Discharge time: > 90 min6,material: AL housing and 6mm acrylic panel7,Non-maitained/Maintained8,ceiling mounted9,Size: 32.4x28x4.2cm10,20pcs/CTN/46x41x47.5cm11,G.W/N.W:10/9KG....