Time Lapse VCR (ERT-30CP/CN) FEATURES Up to 960 Hours of Time-Lapse Recording Power Loss Memory 1 Month Power Failure Compensation Alarm Recording Timer Recording Alarm Search Repeat Recording Series Recording Triggers Next VCR Near Tape End Record Check Audio REC/PB      NTSC REAL L6/L18/L30      PAL REAL L6/L30 Microphone Input Tape Remain Counter Automatic Head Cleaning Elapsed Use Time Counter SPECIFICATIONS Tape Format VHS Television System EIA Standard (525 lines, 60 F/S), NTSC Color Signal CCIR Standard (625 lines, 50 F/S), PAL Color Signal Video Recording System 4 Rotary Heads, Azimuth Helical Scanning System Luminance Signal Frequency Modulation Recording Color Signal Down ConVerted Color Subcarrier Phase Shift Recording REC/PB Mode NTSC REAL L6,L18,L30,48,72,120,168,240,480,960 PAL REAL L6,L30,48,72,120,168,240,480,960 (* chinese : L6,L9,L30,72,120,168,240,480,960) Horizontal Resolution More than 350 lines(B/W) More than 300 lines(Color) Signal to Noise Ratio Video 43dB / Audio 42dB Video Input 1.0 Vp/p, 75O, BNC jack Video Output 1.0 Vp/p, 75O, BNC jack Audio Tracks 1 Track Audio Frequency 100Hz ~ 7kHz (L2H Mode) Audio Input -8dBm, 47kO, RCA Phone jack Audio Output -6dBm, 1kO, RCA Phone jack Audio Mode Up to L30H Microphone Input -67dBs 600O, 3.5mm Mini Mic jack Alarm Recording Time 1/3/5/ mins , T.END , Level FF/REW Time Approx. 180 secs with T-120 Elapsed Use Time To 9,999 hours max Timer Programs 8 Programs Battery Backup 31 Days Remote in Wired/Wireless (opt.) Power Source 90 - 240V AC 50/60Hz Power Consumption Approx, 17 Watts Operating Temperature 41°F - 104°F (5°C - 40°C) Relative Humidity Max. 80% Dimensions(W*H*D) 360 * 94 * 270mm Weight about 4.3kg