1. Duplex operation: simultaneous playback / record.
2. 15 days continuous recording at 25 fps with 500G byte HD.
3. MJPEG compression.
4. Power recovery auto-record function.
5. 10.2" color LCD monitor.
6. Available in NTSC & PAL system.
7. Real time recording and compressing video signal.
8. Optional: 38KHz IR remote controller.
9. Motion detection and video loss alarm function.
10. Built in fixed HD rack.
11. Recording mode: continuous, motion detection, sensor activated, time schedule.
12. Option mouse unit.
13. Desktop, ceilling mounting installation.
Specifications: 1. Model: L2834. 2. Video input format: NTSC / PAL: BNC 4CH in / 1CH out (composite). 3. Display speed (quad mode) NTSC: 120fps (4 x 30fps), PAL: 100fps (4 x 25fps). 4. Recording speed (quad mode) NTSC: max. 60fps, PAL: max. 50fps. 5. Recording speed (each mode) NTSC: 3fps ~ max. 30fps, PAL: 3fps ~ max. 25fps adjustable (each mode). 6. Compression method MJPEG: 12 - 20K bytes per frame. 7. Video quality: low @ 12K bytes, normal @ 15K bytes, high @ 20K bytes. 8. Hard disk capacity: up to 500G bytes, IDE or SATA interface HD x 1 LCD display 10.2" color LCD, 800 x 480, 300 : 1, 450 nit, view angle: 120°. 9. Recording time: 15 days continue recording at 25fps with 500GB HD. 10. Recording mode continuous, motion detection, sensor activated, time schedule, sensors, alarm, 4 input, 1 output ( alarm), 2 pin for RS-485 control PTZ. 11. USB port for playback: yes. 10. IR remote control unit: yes. 11. Audio ( 2CH input / 1CH RCA out): wes. 12. PS / 2 mouse: optional. 13. Power supply: 100 ~ 240 VAC/ DC 12V, 5A ( adapter supplying). 14. Dimensions (L x W x H) (not including bracket): 290 x 230 x 70mm.