The BlackVue DR900X-2CH Plus two-channel dash camera has your car’s surroundings covered. Mount the main camera to the front windshield to record the road ahead in Ultra HD 4K video at 30 frames per second. Mount the rear camera to the back car window to record the road behind in Full HD video at 30 fps. The two cameras are connected with a coaxial cable and record to the same microSD card. They have image sensors for clarity in low light and a wide 139-degree view angle. The dash cam detects impacts and sudden changes in speed while driving, and also detects movement while parked. For parked mode recording, the optional Power Magic Pro hardwiring kit is required. Built-in Wi-Fi allows you to connect with the dash cam via the free BlackVue app.