2 in 1 Sound Alarm Parking Assistant System Radar Detector Sensor Car Reverse Backup Rear View Camera Night VisionDescription1.This system combine one sensor and one carcamera, it is no need drill hole on the bumper ,camera and sensor both are installed on car lincense plate.show the image and distance on the monitor or DVD display ,with BIBI alarm2, Measure distance between 0.32.0M with Bibi Alarm3, the color OSD digital and park line show on the screen.4, High definition camera and wide angel .5, Alarm by BI-BI.6, High quality and easy to install Technical specification:Voltage: 9DCV-15DCVRated voltage: 12DCVPower cost: Max 1.0W"Image sensor: 1/4inch color CMOS (7070)Total Pixels: 648*488 pixelsResolution: 420 TVL (Enhanced)View Angle: 170 degreeVideo output: 1.0 Vpp composite video at 75ohm Package include:1 x HD Camera with Radar Sensor1 x Alarm Sensor2 x Power Cable Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.