Support Upgrade Firmware.If you have some questions,The seller will help you. Camera Image Sensor: 1/2" Progressive Scan CMOS Min. Illumination Color: 0.008 Lux @ (F1.2, AGC ON), 0.014 Lux @ (F1.6, AGC ON) Lens : 2.8 mm, horizontal FOV: 110.7°, vertical FOV: 59.1°, diagonal FOV: 131° Aperture: F1.6 Day &Night : IR cut filter Compression Standard Video Compression : Main stream:H.265/H.264 Sub, stream:H.265/H.264/MJPEG, Third stream:H.265/H.264 Image Max. Resolution: 3840 × 2160 Main Stream: 50Hz: 20 fps (3840 × 2160), 25 fps (3072 × 1728, 2560 × 1440, 1920 × 1080, 1280 × 720) 60Hz: 20 fps (3840 × 2160), 30 fps (3072 × 1728, 2560 × 1440, 1920 × 1080, 1280 × 720) Image Enhancement: BLC/3D DNR/HLC Image Setting :Rotate mode, saturation, brightness, contrast, sharpness, AGC, and white balance adjustable by client software or web browser Day/Night : Switch Day/Night/Auto/Schedule Network Network Storage : Support micro SD/SDHC/SDXC card (128G) local storage, NAS (NFS,SMB/CIFS), ANR Protocols : TCP/IP, UDP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, PPPoE, NTP, UPnP, SMTP, SNMP, IGMP, 802.1X, QoS, IPv6, UDP, Bonjour, SSL/TLS API : ONVIF (PROFILE S, PROFILE G, PROFILE T), ISAPI, SDK, Ehome Interface Communication Interface : 1 RJ45 10M/100M self-adaptive Ethernet port On-board Storage : Built-in micro SD/SDHC/SDXC slot, up to 128 GB Smart Feature-set Smart Event : Line crossing detection, intrusion detection, unattended baggage detection, object removal detection, face detection, scene change detection Basic Event : Motion detection, video tampering alarm, exception (network disconnected, IP address conflict, illegal login, HDD full, HDD error)