Apply to building, outdoor advertisement, square, airport, station, ect. Features ... fasteners.5. Suitable for 80w, 100w, 120w induction lamp, high quality, 100,000 hours life.6. Package ... warranty: 5 years; Lamp warranty: 5 years8. Certificate: CE, UL FCC10 Advantages of Electrodeless light:(1) Long performance ... -85Lm/W, save 20%-80% energy.(3) Low light falling: ≤5% in 2000 hours.(4) Low temperature ...