Cylindrical cell with button top. 3 Volt Lithium Battery. Fits models; AGFA Futura Auto Focus 2, AGFA Futura Zoom, Bell and Howell Alpha 7, Boots 3000 Advanced, Boots 3000 MZ, Braun Bravo Zoom, Bronica RF645, Canon AF S, Canon AF300, Canon AutoBoy 120, Canon AutoBoy N105, Canon AutoBoy N115, Canon AutoBoy N130, Canon AutoBoy