Package included(showed as picture 2):2 x Radar Detector Sensors1 x Backup Rear View Camera 1 x BiBi Alarm Indicator 2 x WireItem specificsItem Type:Parking AssistanceWire or Wireless:WireSensor Number:2Special Features:Rear view camera + 2 sensorsParking Assistance Type:Parking Sensor SystemMaterial Type:ABSSpecification1. Rated Volatge: DC 12V2. Operating Range: DC 10.5V-16V3. Rated Current: 60mA4. Detecting Distance: 0.3-2.0M5. Ultrasonic Frequency: 40KHz6. Image Sensor: CMOS7. Total Piexels: 640*4808. Resolution: 480 TV lines9. Mini Illumination: 0.1Lux10. TV System: PAL/NTSC11. Angle: 170 Degrees12. Video Input: 1.0V composite video at 75 ohms13. Operating Temperature: -20-70 deg. C14. Adjustable bracket for better view angleNOTE: This link does not include car monitorCombo Highlights:1. Show rear view image and distance on the monitor at the same time if you connect Car dvd player or Auto monitors.2. Keep you safer when parking3. This parking sensor will also warn you via bibi speaker since the distance is 2m. Features:1. Dual Core CPU2. Step-up buzzer alarm3. Detective distance from 0.3-2m4. Can be connected with any rearview monitor and display distance on the monitor.