-Energy Saving Light -60%-80% energy saving -Life span 60,000-100,000 hours ... -CE,SAA,RoHS,CCC,CB.. 120W-250W Induction Tunnel Energy Saving Light TJ-D40021. Technical data: Wattage: 120W~250W ... to 60,000-100,000 hours.(2) High energy efficiency: Luminous effeciency ≥65-85Lm/W, save 20%- ... hours.(4) Low temperature: normal working temperature≤80°c.(5) No flicker: Operating frequency is 140 KHz-250KHz ...