AR-819的详细介绍GENERALFEATURESSPECIFICATIONS一般功能和规格AR-819Three Stages LEDindication For√Car Parking三种颜色Led停车提示Audio Indication ForCar Parking√停车声音提示Green Light For CarParking√5米距离绿灯提示Yellow Light For 5Meters Indication√5米距离黄灯提示Red Light And AlamSound On For 0.5M Indication√0.5米距离红灯及警报提示Different LightCorresponding Different√“Bi Bi"sounds不同灯对应不同声音提示UltrasonicFrequency38.5-50khz超声波频率Auto Caliberation WhenPower On√开机自检功能Low BatteryIndication√低电显示
