960 /1280 Hour Time Lapse VCR Recorders - Record up to a Month ! 
ARM ELECTRONICS MOBILE 960 Hour Time-Lapse VCR MVCR960 MVCR960

Up to 30 HR Real-Time Recording with T-120
Up to 960 HR Time-Lapse Recording with T-160
1 Channel Audio Recording
4 Head Double Azimuth Scan
12VDC Operation
Weight (7.5 LBS)
Dimension (11.4"x10.6"x4.7")