| Parking Guidance Sign |
| Model | YDBZ-1-B-EL-FH | YDBZ-1-B-EL-I | YDBZ-1-B-EL-II | YDBZ-1-B-EL-III |
| Max brightness | >8000cd/m2 |
| View angle | >75° |
| Display color | Red, green, yellow,amber |
| Brightness control | Manual, automatic, timing, remote setting |
| Control model | Synchronous, asynchronous, wired network, wireless 4G, etc |
| interface | RJ45, RS232, RS485, RS422 |
| Blind spot ratio | <0.0001, Discrete distribution |
| MTBF | >10000h |
| Life span | >100000h |
| Protective performance | Short circuit ,open circuit,overvoltage,overcurrent,overload,overheating,leakage, lightning protection, etc |
| Working tempreture/humidity | -40℃-- +60℃, 10-80%, nodew |
| Storge tempreture/humidity | -50℃-- +80℃, 10-85%, nodew |
| Wind resistance | 40m/s |
| Protectiion class | IP56 |
| Grounding resistance | Working grounding resistance<4Ω, lighting protection grounding resistance<10Ω |
| Insulation resistance | >100MΩ |
| Dilectric breakdown strength | AC1500V |
| Visual recognition distance | Max dynamic visual recognition distance>210m, max static visual recognition distance>250m |
| Installatioin | Frame type, cantilever type, Column type |
| Input voltage | AC220V(1±15%) or AC380V(1±15%), 50±2Hz |
| Environmental monitoring | Temperature,humidity,smoke, brightness, switching power status, box door status |