The camera needs to connect with car cigarette lighter for continuous power.(Package does not include TF or SD card) 【4 inch Touch Screen】Since the camera is a touch display, operation is easy. 【4-INCH IPS HD SCREEN Show The Real itinerary】 FRONT: 170° WIDE-ANGLE 1080P HD REAR: 140°WIDE-ANGLE 720P HD 【Dual Recording】 Front and rear camera 2 channels are recording simultaneously.(Front camera:1080p Rear camera:720p) 【Fully Fit Touch Screen】Precise touch at fingertips 1080p hd and wide-angle lens 【Driving Recorder】Front and rear dual recording & HDvideo Package Included: 1X Backup Carmera 1X Car Charger 1X AVIN Cable 1X Screws and Adhesive Sticker 1X Support 1X User manual Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.