4k action camera sport camera series rollei ac sensor type cmos video 4k 27k full hd hd framerate full hd 60p lens type wide angle display size 2 inch display type lcd viewfinder live view storage media memory card supported memory cards micro sd micro sdhc minimum memory card class class 10 connections usb hdmi video file format avi photo file format jpeg connectivity wifi wlan wi fi range 20 m features microphone speaker recordin