Features 1、Compatible Types: This battery adapter is suitable for film camera exposure meter MR9 PX625 PX13 batteries, suitable for LR44 1.4V zinc air button batteries, which has strong compatibility. 2、Easy Installation: These battery converters have reasonable sizes and accurate threads to ensure stable installation and seamless connection, and perfectly fitting your film camera. 3、Brass Material: These button battery adapters are made of excellent brass material, which has high strength, erosion resistance, good stability, no deformation, and a long service life. 4、Compact Design: These battery converters have a compact size and lightweight design, which will not increase the burden on the film camera after installation, ensuring reliable operation. 5、Replacement Parts: This kit includes 2 pieces battery converters, which can directly replace old or damaged ones, ensuring reliable and reliable operation of the film camera exposure meter. Specification Item Type: PX625 Battery Converter Material: Brass Application: For Film Camera Exposure Meter, for LR44 1.4V Zinc Air Button Battery Package List 2 x Battery Converter