This is a Genuine Dewalt SA G2 ACTIVATION (SERVICE) for the DCN690, DCN691, DCN692, and DCN695 nail guns. It is perfect for those who are looking for a replacement or an upgrade for their existing Dewalt nail gun. This product is made in Germany and is designed to ensure the optimal performance of your nail gun. With this Genuine Dewalt SA G2 ACTIVATION (SERVICE), you can rest assured that you are getting a high-quality product that is built to last. It is compatible with all the aforementioned models and does not require any additional batteries. This product is a must-have for any DIY enthusiast or professional tradesperson who wants to ensure that their nail gun is always performing at its best.