Model Name: RYK-VS340
System Operation System: Embedded Linux 2.6
System Processor: Multi-chip, including ARMCPU, Micro-processor, decode chip.
System EMI: FCC, CE
Image Input: Format NTSC/EIA or PAL/CCIR
Image Input: 4-CH, BNC
Image Compression: H.264 Baseline profile / MJPEG
Image Bit Rate: 128K,256K, 512K, 1M, 2M, 3M, 4M
Image Resolution: NTSC – 30@720*480, 60@720*240, 120@352*240 PAL–25@720*576, 50@720*288, 100@352*288
Image Video: Loss Detection YES
Image Motion Detection: Yes, sensitivity adjustable
Image Watermark: YES
Audio Input: 4 sets RCA-jack, Line-in signal (100mV-2Vrms)
Audio Output: 1 set RCA-jack, Line-out signal (0-2Vrms)
Audio Compression: ADPCM
Recording Time Before Event: 0–10 second
Recording Time After Event: 0–10 second
Main Display: BNC x 1, 1Vp-p/75ohm
Resolution: NTSC-720*480, PAL–720*576
Quad Display: Yes
Frame Rate: Every single channel 30fps (NTSC) / 25fps (PAL)
Storage Media SD Card: SDHC