| Taxi Roof Led Display Parameter |
| Item | VST-B2 | VST-B2.5 | VST-B3 | VST-B4 | VST-B5 |
| Pixel | 2 | 2.5 | 3 | 4 | 5 |
| Led type | SMD 1415 | SMD 1921 | SMD 1921 | SMD 1921 | SMD 1921 |
| Pixel Density dots/m2 | 250000 | 160000 | 91809 | 62500 | 40000 |
| Display Size W*Hmm | 960*320 | 960*320 | 960*320 | 960*320 | 960*320 |
| Cabinet Size W*H*D mm | 1036x386x139 | 1036x386x139 | 1036x386x139 | 1036x386x139 | 1036x386x139 |
| Cabinet Resolution dots | 480*160*2 | 384*128*2 | 312*104*2 | 240*80*2 | 192*64*2 |
| 1. ɪnɪtɪɔʊ ˈweɪt ˈkɡ/ˈjuːnɪt | 16~17 | 16~17 | 16~17 | 16~17 | 16~17 |
| Cabinet Material | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum |
| 2. ˈbraɪtnəs ˈsɪdiːˈɛm² | 3. ˈɡrɛətər ˈæŋˈdɛbəl 4500 | 3. ˈɡrɛətər ˈæŋˈdɛbəl 4500 | 3. ˈɡrɛətər ˈæŋˈdɛbəl 4500 | 3. ˈɡrɛətər ˈæŋˈdɛbəl 4500 | 3. ˈɡrɛətər ˈæŋˈdɛbəl 4500 |
| 观看角度 | 4. vˈɑːnˈhɛk dʒiːˈseɪtən/ˈhɛt fɔːrˈtɛn | 4. vˈɑːnˈhɛk dʒiːˈseɪtən/ˈhɛt fɔːrˈtɛn | 4. vˈɑːnˈhɛk dʒiːˈseɪtən/ˈhɛt fɔːrˈtɛn | 4. vˈɑːnˈhɛk dʒiːˈseɪtən/ˈhɛt fɔːrˈtɛn | 4. vˈɑːnˈhɛk dʒiːˈseɪtən/ˈhɛt fɔːrˈtɛn |
| 5. mæksˈpɔwər ˌkɑːnˈsʌmpʃən ˈwɑːt/ˈsɛt | 480 | 430 | 420 | 360 | 350 |
| 6. ˈævɪː ˈpɔwər ˌkɑːnˈsʌmpʃən ˈwɑːt/ˈsɛt | 180 | 140 | 120 | 110 | 100 |
| 7. ˈɪnˈpʊt ˈvɑːltɪdʒ ˈvɪ | 12 | 12 | 12 | 12 | 12 |
| 8. ˈrɪfəʊʃ ˈrɛɪt hˈzɛ | 3840 | 3840 | 3840 | 3840 | 3840 |
| 9. ˈɑːpəˈreɪʃən ˈtɛmpərətʃər ˈsiː | -30~80 | -30~80 | -30~80 | -30~80 | -30~80 |
| 10. ˈwɜːrkɪŋ hjuːmɪdɪti (ɹeɪtʃ) | 10%~80% | 10%~80% | 10%~80% | 10%~80% | 10%~80% |
| 11. ɪnˈɡreɪd ˈprɛtʃən | IP65 | IP65 | IP65 | IP65 | IP65 |
| 12. ˈkʌntrəʊl ˈweɪ | 13. ˈændroʊd + 4ɡ + æp + ˈwaɪfaɪ + ˈɡɪpsɪ + ˈeɪtəʊɡˈbɪ |