| Items | High Pressure Sodium Light | LED Street Light |
| Photometric Performance | Bad | Excellent |
| Radiator Performance | Bad | Excellent |
| Electric Performance | Electric Shock Easy( High Voltage) | Safe (Low Voltage) |
| Working Life | Short (5,000h) | Quite Long (＞50,000h) |
| Working Voltage Range | Narrow (±7%) | Wide(±20%) |
| Power Consumption | Quite High | Quite Low |
| Startup Speed | Quite Slow( Over 10minutes) | Rapid (2s) |
| Strobe | Yes( Alternating Current Drive) | No( Direct Current Drive) |
| Optical Efficiency | Low | High |
| Color Index/ Distinguish Feature | Bad, Ra< 50(The Color Of Object Is Faith, Boring, Hypnosis) | Good, Ra>75(The Color Of Object Is Fresh, Veritable And
Comfortable |
| Color Temperature | Quite Low ( Yellow Or Amber , Uncomfortable | Ideal Color Temperature ( Comfortable) |
| Bad Glare | Strong Glare (Dazzle) | No Harmful Glare |
| Light Pollution | Strong | No |
| Heating | Serious (>300℃) | Cold Light (<60℃) |
| Lampshade Turn Dark | Easy ( Absorb Dust) | No ( Static Proof) |
| Lamp Aging Turn Yellow | In A Short Time | No |
| Shockproof Performance | Bad(Fragile ) | Good (No Filament Nor Glass) |
| Environment Pollution | Contains Mercury Element Etc. | No |
| Maintenance Cost | High | Quite Low |
| Product Cubage | Big | Small (Slim Appearance) |
| Cost-Effective | Low | High |
| Product Weight | Heavy | Light |
| Integrated Performance | Bad | Excellent |
| | | |
The comparison of 10km Five-year total cost between LED Street
Light and Traditional Street Lamp |
| | LED Street Light | Traditional Street Lamp |
| Lamp Power | 112W | 220 W |
| Total Power | 121W | 220W+80W(With Converter) |
| 12 hours | 121W*12 hours | 300W*12 hours |
| Consumption | = 1.452 kw/h | =3.6 kw/h |
| 5 Year | 1.452 kw/h*365 days *5 year | 3.6 kw/h*365 days *5 year |
| Consumption | =2650 kw/h | =6570 kw/h |
| 10km 666 pcs Lamps 5 Year Consumption | 2650kw/h*666pcs= | 6570 kw/h *666pcs= |
| 1764900 kw/h | 4375620 kw/h |
| Electric Bill | 1764900 kw/h*0.2USD=352980 USD | 4375620kw/h* 0.2USD=875124USD |
| Lamp Cost | 428 USD | 130 USD |
| 666pcs Lamp Cost | 285048 USD | 86580 USD |
| 5 Year Use Lamp | 666 pcs | 3330 pcs |
| 5 Years Total Cost | 285048 (lamp) + 352980 | 432900(lamp)+ 875124 |
| =638028 USD | =1308024 USD |
| 5 Years Save Cost | 669996 USD | |
| Luminous Efficacy | 80lm/W | 40lm/W |
| Illumination | Meet national standards | Meet national standards |
| Control | Intelligence control | No |
