Specification: Power: 10W/20W/30W Input voltage: DC 12-24V Power factor: 0.95 Color temperature: cool white 6000K-6500K / warm white 2800K-3200K Color rendering index: 80 LED type: SMD 5730 Number of LEDs: 10/20/60 pcs Luminous flux: 800/1600/2400 Lm Size (length x width x height): about 87*62*34mm/3.43*2.44*1.34inch; 112*84*35mm/4.41*3.31*1.38inch; 179*140*37 mm/7.05*5.12*1.46inch Weight: about 0.155/0.242/0.52 Kg Shell material: die-cast aluminum Mask material: tempered glass Beam angle: 120° Protection level: IP65 Working temperature: -35℃ to +55℃ LED life:> 50000 hours Energy efficiency rating: A Certification: CE & Rohs Packing List: 1 * LED Light 1 * Installation Instruction