Feature:_x000D_ _x000D_ This product is suitable for SIMATIC S7-200. _x000D_ For long-term backup data, can be inserted into the S7-22X CPU memory submodule slot. _x000D_ The memory battery inside the PLC is empty, so it is recommended to replace it to protect the program from loss. _x000D_ Product performance is reliable. _x000D_ Light weight, easy to use. _x000D_ _x000D_ Specification:_x000D_ Model: 6ES7291-8BA20-OXAO_x000D_ Weight: 5g / 0.2oz_x000D_ Working temperature: -30-70_x000D_ Suitable: for SIMATIC S7-200_x000D_ _x000D_ Package list:_x000D_ 1 x Memory Battery Card_x000D_ _x000D_ Note:_x000D_ The actual product color may deviate from the photo due to light._x000D_ There may be a slight deviation in the measurement of product._x000D_ _x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.