Compact size standalone light meter. The simple operation and shape that can be attached to the hot shoe make this model ideal for film cameras that do not have a light meter. - Function operation: Continuous metering for 15 seconds after pressing the switch. No problems with dials, etc. - Weight: 43g (including body and battery) - Accessories : Strap adapter : Drawstring case : 2 LR44 batteries (for operation check) There are no problems with installation or operation, but This is a used item, so Please purchase with your understanding. Thank you for viewing.