Into reverse gear, and automatically start the system. 
 Different the BiBi warning tone prompted a safety zone, caution zone, danger zone. 
 Fuzzy logic control, anti-false alarm. 
 2-4 probe radar detection, the Prevention of Blindness area, hole probe (recessed) installation nice, comparable with the wife; 
 Probe number 4 probe 
 Display No 
 Operating voltage range of 10.8V-15V 
 Rated operating current of 50mA ~ 180mA 
 Maximum power consumption of 4W 
 Monitor operating temperature-20C ° - +70 C ° 
 Host Operating Temperature -40 ~ +80 ℃ 
 Alarm volume ≈ 80db 
 Maximum test distance (wall) 2.0M 
 Minimum test distance 0.4M 
 Human test distance of 1.2-1.5M 
 Voice alarm function 
 Temperature measurement capability, No 
 The calendar features None