12V strobe for Bolex H cameras, a high-quality Swiss-made accessory. - Type: MST 24 - Input Voltage: 12V - Compatibility: for Bolex H Cameras - Made In: Switzerland - Manufacturer: Perfectone Bienne This is a Perfectone Bienne "Type MST 24" motor for Bolex H cameras. This motor is used with H series cameras such as the Bolex H16 Reflex and controls the camera's drive speed. How to Use Connection: Connect the motor cable to the motor connection port on the Bolex H camera. The round connector at the bottom of the image is used for connection to the camera. Power: You need to supply a 12V power source, as indicated by "Input 12V". Speed Settings: SPEED: "24 f.p.s." indicates a shooting speed of 24 frames per second. This is a standard speed in film shooting. PILOT: "50 c.p.s." indicates the frequency of the pilot tone, which is used for sound synchronization shooting. Operation: The white button on the top of the motor is usually for controlling the start/stop of the motor. The green lamp is likely an indicator of the operating status. This item is a junk item, so please purchase it if you understand this. Thank you for viewing.