CPR-D·padz Training Electrodes with reusable "Z-design" electrode with CPR hand placement indicator and one (1) pair of disposable adhesive gels.Note: The disposable gels must be applied to the reusable pad before use. The Zoll AED Plus training CPR-D padz set includes a central CPR hand placement guide as well as reusable training electrodes that form a single "Z" piece unit. The unique design guides students with the correct positioning of training electrodes when used on a manequin. Designed for use in conjunction with the Zoll AED Plus® Trainer 2, the CPR-D padz set allows users to practice defibrillation and CPR treatment with hands-on experience. Designed for use with the Zoll AED Plus Trainer 2 Set includes a reusable CPR hand placement guide and a pair of training electrodes Forms a single "Z" piece unit to ease pad placement Provides students with realistic hands-on experience Allows practice of pad placement as well as administering CPR when used on a mannequin Simply plugs into the trainer unit