Product introduce: The Easydo Activator system uses technology of sonic energy for root canal treatment. The driver work with the Hand device, motor and needle tip to provide power for tip oscillation and vibration. Evidence-based endodontics has shown that cavitation and acoustic streaming can improve debridement and the disruption of the smear layer and biofilm. The Activator helps the fluids streaming enter the Pulp Chamber, Root Canal, Lateral canal, Connection of inter-root canal and root apex to ensure deep cleaning and sterilization of root canal. It is beneficial to complete the 3D filling of the root canal and ensures long-term success.Packing List: Main Unit 1 PCS Protective Barrier 100 PCS Needle: 2/15 20 PCS 4/25 20 PCS 4/35 20 PCS.