Made of high quality materialsThis product is suitable for SIMATIC S7-200.If long-term data backup is required, it can be inserted into the S7-22X CPU memory submodule slot.The PLC memory battery is empty and it is recommended to replace it to avoid program loss.Product performance is reliable.Light weight and easy to use.Model:6ES7291-8BA20-OXAOWeight:5g/0.2ozWorking temperature:-30-70Applicable:for SIMATIC S7-200Color:As shownMaterial:Metal+PlasticPackage Contents:1 * MODULE BATTERYOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.