Description: For sale, a FAST Box One, an essential tool for analog photography enthusiasts who want to check the accuracy of their camera's shutter speeds. Compact, easy to use, and precise, this device is perfect for testing your equipment without wasting film. Key Features: Measures shutter speeds up to 1/1000th of a second and beyond. Operates with two AAA batteries (not included). OLED display for easy result reading. Compatible with 35mm and medium format cameras. Usage Conditions: For optimal results, it is crucial to conduct tests in an environment with minimal ambient light. Use a flashlight (such as the one on a smartphone) to illuminate the camera being tested. Important Note: The camera and flashlight shown in the photos are not included in the sale. The item is sold alone and comes with its carrying pouch. Condition: Excellent condition, barely used. Tested and fully functional. Photos: High-quality images are available to show the item's impeccable condition. Please review the photos carefully before placing a bid. Shipping: Fast and secure shipping in carefully packaged materials. Shipping costs are the responsibility of the buyer. Don’t miss this opportunity to acquire a reliable tool for testing your analog photography gear!