LED type: SMD3528 Lumens: 1440lm(6000-6500k) LED quantity: 288pcs luminous efficiency: 80lm/W Power Efficiency:>85% Power factor: >91% "Materials:Isolating power supply +Aluminium+PC Cover" Working Frequency: 50-60Hz Input Voltage:AC170-260V Size(L*D): 1500*26mm Pin type: T8- G13 Ambient Temperature:-30°C to 55°C