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The 24 hour TimeLapse recorder shall be industrial grade, aluminum diecast mechanism, field recorder which shall not be a modified consumer frame recorder. The recorder shall be a JVC model SR-L910UA or equivalent. The recorder shall be VHS compatible. The unit shall feature a 4-video head system, 240 lines of horizontal resolution, 45dB of signal to noise ratio (color, SP), 1 track of audio with 100Hz to 10Khz and 40dB of signal to noise ratio (SP). The recorder shall have noiseless still picture, field by field advance mode and reverse playback. The unit shall have standard 2 hour and 6 hour VHS recording and provide 12 hour and 24 hour time lapse (linear slow) recording with audio recording capability up to 24 hour mode. The recorder shall have recording features of Normal recording, Alarm Recording, Sensor (event) recording, Timer recording, Repeat recording, and Series recording. The recorder shall have 2hr or 6 hour real time recording capability during Alarm and Sensor (event) recording with recording duration time of minimum 5, 15, 30, 60, 120, 180 seconds of preset times or Tape end or Manual mode. The recorder shall have alarm activation from during normal recording, stop mode and power off mode. If an alarm signal is received during normal timelapse recording, the unit shall automatically switch to alarm recording speed and after duration time, record mode will change to the previously set mode. Also, If an alarm signal is received during stop or power off mode for sensor (event) recording, the unit shall automatically switch to selected recording speed and after duration time, record mode will change to the stop mode. The recorder shall have index (alarm) search feature shall find the alarmed record information. Alarm input and Power loss data shall allow you to check the date and time of last 9 alarm activation and power loss information by using the on screen display. When the summer time mode is turned on, the time shall advance by 1 hour, and when mode is turned off, time shall return to normal. Additional features shall include: External alarm reset, 8 of daily and weekly timer recording modes. External timer recording, Auto/Manual record check mode, auto video head cleaning, Auto rewind, Auto tape eject, 5year backup battery, built-in time and date generator, Mode lock, Built-in LCD display for error warning, Digital usage hour meter, Camera switching output, and Tape end output, Warning output/Recording output, Alarm recording output. The recorder shall have optional wired remote control (RM-G30U) and optional RS-232 interface (SA-K97U) control capability. Also, demo VCR PC control software is available. The power source shall be AC 120V (50/60Hz), 19W power consumption. The dimensions shall not exceed 3-3/4" H x 14-3/16" W x 11-5/8" D with 9.9lbs of weight. The unit shall be UL listed.