The AED Practi-TRAINER Essentials features 2 pre-programmed scenarios, clear voice prompts, built-in English/Spanish options and a metronome. Compatible with any type of CPR manikin that is intended for AED training. Includes an AED trainer, 1 set of reusable adult training pads, 1 set of reusable child training pads, 3 AA batteries, nylon carrying case, and a 1-year manufacturer warranty.