Buzzer warning parking sensor

Number of sensor: 4 sensors
Beeping alert:BI BI BI
Operating voltage:10.8-15V
Max. Consumption:2W
Operating temperature: -40°C ~ +80°C
Buzzer volume:≈80db
Max. detection distance (Suppose the detection target is a flat wall
area):2.0M
Human body detection distance:1.2-1.5M