Camera from IMOU series; Sensor: 1/2.8 " Progressive Scan CMOS ; Matrix size: 8.3 Mpx ; Resolution: 3840 x 2160 - 8.3 Mpx, 4K UHD ; View angle: 107 ° ; White light LED illuminator range: 20 m ; Audio: Microphone built-in, Speaker built-in, Alarm siren ; Image compression method: H.265 ; Memory card slot: Micro SD memory cards up to 256GB support (possible local recording) ; Main features: Wi-Fi module - IEEE 802.11 a/b/g/n/ac/ax, Light and sound alarm ;