The muvi lz-2 drive cam is the ultimate dashcam experience. The kz-2 captures your journey in 4k making identifying plates much easier. Fully equipped with motion detection for automatic start/stop recording and a g-force sensor, so should your car be involved in a collision, your files will be automatically protected. With 4k video quality, superior night vision and built in mic recording sound you will never miss a detail. 3. 0" lcd display allow for easy viewing of live footage from muvi drive cam. Automictically turns on and starts recording when driving, stops when you turn the engine off features equipped with superior night vision so you will never miss a detail automatically turns on and starts recording when driving, stops when you turn the engine off supports up to 128gb microsd card (not included), we recommend a u3 grade card from a well known brand video formatting: 4k@30fps, 1440p@30fps, 1080p@30fps - h. 265/h. 264 battery: built-in li-ion battery 150mah power input: mini usb port 5v/2. 5a