New Car Reverse Backup Radar System Parktronic 4 Sensors led shows distance

Features:
1. 4 sensor system, double CPU and advanced chipset for enhanced coverage and detection (0-2.5m).
2. LED Display with blue light,the display shell will become blue when it have power  (number & light).
3. Help to prevent dangerous and costly collisions.
Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle.
Detect small children and low walls as well.
Anti-freeze and rain proof.
Easy to install.
System activated automatically when reverse gear is engaged
Beep notifies the driver of the distance and position of obstacles.
Three stages indicating  the closer the obstacle, the faster the beeping frequency.
4. Waterproof sensors.
5. The LED screen become blue when the parking sensor is working,it is beautiful and dazzling

Stage Distance        Awareness      Sound Alarm      Number
  1 >250cm         Safe area        Silence 
  2 160-250cm       Safe area        Silence              1.6-5.5
  3 100-150cm       Safe area       Dang...Dang...      1.0-1.5
  4 70-90cm         Alert area       Dang...Dang...      0.7-0.9
  5 40-60cm         Alert area       Dang...Dang...      0.5-0.6
  6 0-30cm       Dangerous area     Dang...Dang...      0.0-0.4

specification:
1. Operating range: DC9v-15v
2. Rated voltage: DC12V
3. Power: 0.5W
4. Working temperature: -30`C---70`C
5. Detecting distance: 0-2.5M
6. Detecting angle: H>60`C, V>60`C
7. Recording time: 60S
8. Microphone sensitivity: -60db
9. Speaker power: 8, 0.5W
10. Operating current: 20-200MA
11. Ultrasonic Frequency: 40KHz
12. Display working temperature: -20~+60c
Color: Black/Sliver/White/red

package content:
1 * Main Control Box
1 * Buzzer
4 * Parking Sensors with 2.5M Line
1 * Hole Saw
1 * Power Cable
2 * Double Side Sticker
1 * User Manual
No retail packing