Please read full product instructions before using this product.Caution!- Use of this device by persons with any electrical implant such as aheart pacemaker, or by pregnant women, is not recommendedWarning for coin/button cell- Batteries warning: this product contains a coin/button cell batteryinside- Keep batteries out of reach of children- Swallowing may lead to serious injury or death in as little as 2 hoursdue to internal burnsThis product has been designed so that the coin/button cell battery isnot accessible to young children, as the battery compartment cover issecured with a screw or mechanical fastener.Always ensure that the compartment is secured before use.