tobin time lapse motor for bolex. TCS TTL made in USE but Tobin Cinema Systems. No. 3186. Works on all rex 4 and higher bolexes. Must have 1:1 drive shaft. Worls on 12.6 DC volts (but 11-14.4v is acceptable) via 4-pin XLR. Will run normal (animation advance), wind (forward faster than normal), rewind (not to be used for filming or with 400ft magazine!!), and time lapse (continuously variable). note: To get normal exposure (24fps) you MUST STOP DOWN 5 STOPS or USE 1.5 ND FILTER!