upgraded 1.47-inch screen display, small screen with big functions; Can display real-time video images; can display download QR codes; Can display time and video status Display screen 1.47-inch IPS screen, video resolution 3840*2160/30fp Video format M-JPEG, compression format 264 Support functions: 2.4GWiFi, sensor, Time-lapse video (need to be matched with three-core step-down line, need to be purchased separately) Standard glue bracket, battery capacity button battery Maximum memory support: 256G (standard configuration does not include card) USB type Type-C Dual Dash Cam 4K+1080P Front and Rear recording, Security for Your Driving Superior Night VisionWith super Sensor, -sensitive,even better at night. Built-in wiFi Install the VllDURE APP on your mobile phone to connect to WiFi. Easily live-view,edit,download and share VIDEO Or PICTURE Colour:As Shown Material:plastic Specifications: B: V22-front + rear + WiFi (English version) Package Contents: 1 x driving recorder set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.