Technical Specifications20
20.1 Wire-Free Recorder (L4248 Series)
20.1.1 System
Operating System Embedded Linux
Number of Channels 6 / 8 Channels
20.1.2 Inputs/Outputs
VGA OUT No
HDMI Yes
Video Output Resolution 1920×1080, 1440×900, 1280×1024, 1280×720,
1024×768
Ethernet 8P8C 10/100 Base-T
USB USB 2.0
20.1.3 Playback & Display
Display Split 1/4/9/SEQ
Frame Rate Max 20 fps (Single Camera) @2MP/Channel
Max 100 fps Total @2MP/Channel
OSD Yes
Control Mouse
Firmware Upgrade Network, USB
Playback Functions Play, Pause, Stop, Fast Forward/Backward (2x, 4x,
8x); Slow Forward (½×, ¼×, ⅛×); Step Forward/
Backward
20.1.4 Recording
Video Compression H.265+, H.265, H.264
Recording Resolution 2560 × 1440 (4MP)
Event Type Motion Detection, Person Detection
Modes Motion Only (default setting) / Continuous (requires
HDD & continuous power from outlet to cameras)
Post-event 0 min / ½ min / 1 min / 2 min / 5 min
20.1.5 Storage & Archive
External Storage MicroSD card (up to 128GB MicroSD Class 10
supproted)
Internal Storage 2.5" SATA HDD (Up to 1 TB) non-upgradable
Backup Media USB, HDD, Network
Backup File Format MP4 / LF
20.1.6 Connectivity
Remote App Clients Web, iOS®, Android™, iPadOS®
Voice Assistance Google Assistant, Amazon Alexa
Protocol Support TCP/IP, UDP/IP, RTP(UDP), RTP(TCP), RTSP, NTP,
HTTP, DHCP, SMTP, DNS, DDNS
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