20  Technical Specifications

20.1  Wire-Free Recorder (L4248 Series)

20.1.1  System

Operating System
Embedded Linux
Number of Channels
8 Channels

20.1.2  Inputs/Outputs

VGA OUT
No
HDMI
Yes
Video Output Resolution
3840×2160, 2560×1440, 1920×1080, 1280×720, 1280×1024
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

20.1.7  General

Housing Material
Plastic
Input Voltage
12 VDC
Input Current
2 A
Power Consumption
3.2W (when HDD is not connected)
Operating Temperature
32° — 104° F / 0° — 40° C
Operating Humidity
20% — 85% RH
Weather Rating
Indoor use only
Disclaimers:
  1. HDMI output (1920 x 1080) HD for high definition multi-channel live viewing only. 1080p recording resolution is limited to a maximum of 1920 x 1080 per channel. Image quality and frame rate are dependent on the distance and types/locations of objects between the camera and the recorder.
  2. Compatible with certain Lorex wire-free cameras only. For a list of compatible cameras please visit www.lorex.com/compatibility Recording time may vary based on recording resolution and quality, lighting conditions and movement in the scene.
  3. The recorder comes pre-installed with either a non-upgradable 2.5" SATA Hard Disk Drive or a MicroSD card which can be upgraded to a maximum of 128GB. Recording time may vary based on recording resolution and quality, lighting conditions and movement in the scene.
  4. Controlling certain features in your security system requires a compatible smart device. Availability and performance of certain features and services are smart device dependent and may not be available in all areas or networks. For compatibility, features, instructions visit: lorex.com/SmartHome‎
  5. 5. Accessing your security system remotely requires a high-speed Internet connection. Ensure your recorder has a wired connection to a router (not included). An upload speed of 3.5Mbps is recommended for optimal video performance. Up to 3 devices may connect to the system at the same time. For the latest list of supported apps and devices, please visit lorex.com/compatibility‎