ZOLL CPR Stat Padz, HVP Multi-Function and CPR System with Compression, Depth and Rate Sensors (pair). Adult electrodes with Real CPR Help. CPR stat•padz are designed for use with the ZOLL AED Plus and ZOLL Pro. The HVP (High Viscosity Polymer) gel reduces skin effects by up to 96% over conventional electrodes. The two-piece construction ensures all therapy options are available to the ALS responder. The unique design gives it utility in both the Anterior/Anterior and Anterior/Posterior placement. Multi-function; defibrillation, non-invasive pacing, cardioversion, and ecg monitoring. Two year stand-by life.