Resolution: 2560 x 1440, 2304 x 1296, 1920 x 1080 ; Sensor: 1/3 " ; View angle: 90 ° ; Range of IR illumination: 30 m ; Memory card slot: Micro SD memory cards up to 256GB support (possible local recording) ; Image compression method: H.265+ ; Audio: Microphone built-in, Speaker built-in, Bi-directional audio streaming support ; Power supply: 12 V DC ;