| GENERAL FEATURESSPECIFICATIONS | 一般功能和规格 |
| AR-819 |
| Three Stages LED indication For | √ |
| Car Parking 三种颜色Led停车提示 |
| Audio Indication For Car Parking | √ |
| 停车声音提示 |
| Green Light For Car Parking | √ |
| 5米距离绿灯提示 |
| Yellow Light For 5 Meters Indication | √ |
| 5米距离黄灯提示 |
| Red Light And Alam Sound On For 0.5M Indication | √ |
| 0.5米距离红灯及警报提示 |
| Different Light Corresponding Different | √ |
| “Bi Bi”sounds 不同灯对应不同声音提示 |
| Ultrasonic Frequency | 38.5-50khz |
| 超声波频率 |
| Auto Caliberation When Power On | √ |
| 开机自检功能 |
| Low Battery Indication | √ |
| 低电显示 |
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