MINDRAY A4 OPTIONAL SOFTWARE LICENSES A4 – Volume Guarantee, Expanded Ventilation and Optimizer Package, Includes: Volume Guarantee (PCV – VG And SIMV-VG), Expanded Ventilation (PCV, SIMV-VC, SIMV-PC), and Optimizer Package (Continental US Only) (DROP SHIP ONLY) (Pricing Subject to Change without Notice) Mindray 121-001486-00 A4 VOLUME GUARANTEE EXPANDEDVENTILATION+OPTIMZR PKG (DROP)