The MilkMate Breast Pump is a high-performance, multi-user breast pump designed to combine power, comfort and efficiency. Our pump can be utilized safely and effectively in high-usage workplace settings including any corporation, shared space, healthcare facility, hospital and even at home. What's Included: MilkMate Multi-User Breast Pump Power Charger (Standard US Plug) User Instructions & Safety Guide Features: Closed System and Anti-backflow with MilkMate Breast Shield Kit Advanced touch control technology With UIS – Unique Independent Settings (for vacuum and pump rhythm control) 2-Phase Expression - Stimulation (7 vacuum levels; 3 speed levels); Expression (12 vacuum levels; 6 speed levels) Built-in rechargeable Li-ion Cylindrical battery, dual power source FDA Cleared and complies with FDA standards for safety and effectiveness