Found a Minox 35 GT in super good condition (just needs a good clean). I adapted the battery compartment to use 4 LR44 cells, that are about the same size of the
Battery Pack for C, EC, & Most Minox 35 Cameras, and Rollei-35-LED. Batteries are included.
35mm - Minox 35mm Collection
Akku für MINOX DCC Leica M3, Typ CR2, 3 Volt, Li-Ion, 250 mAh
Amazon.com : MINOX DTC 390 Compact Wildlife Camera - Weatherproof - Surveillance Camera with 2.4" TFT Color Monitor and HD Video Resolution. : Electronics