Digital Cabled Remote Control MC Series for Sony all models and Minolta - Mod. MC-S1 (US) Camera Cable Remote Control for for all Sony models and Minolta, e.g. SONY A100, A200, A300, A350, A700; MINOLTA A7D, A5D etc. Dimensions: Approximately 155 x 40 x 18 mm (6.1 x 1.6 x 0.7 in), excluding projections Weight Approximately 105g (3.7oz), excluding ferrite core. Length of cord Approximately 850mm (33.5in). Power source Two AAA 1.5V LR03 alkaline batteries