Note: Many high-tech devices suffer are prone to a high infant mortality.  This means that if they are going to cease functioning, it will usually be within the first few minutes to an hour or so.  Infant failure rates on some high-tech LED lights can sometimes be as high as 25%.  Consequently, we test and burn-in every P60 host and module that we sell for at least one full battery cycle and sometimes more.  We catch and take care of defective items so that you don't have to.  Because of this unique service, you can be assured of receiving a properly functioning, high quality device that will give you years of service.