Thank you for viewing. This item has been stored at home. This adapter converts silver oxide battery SR44 (or alkaline battery LR44) to the appearance of mercury battery HM-N (NR52). It does not convert the voltage. Compatible models: Early electronic shutter cameras, especially the following models: Canon Datematic E, Canon Datematic, Olympus EC/ECR/ED, Minolta Hi-Matic E, Minolta Hi-Matic F, Yashica Electro 35GX, and other electric cameras. Everything in the images is included. Free shipping, anonymous delivery. We look forward to your purchase from those who understand that this is a USED item.