Gives Verbal Alarm when power is out. Made it for my CPAP machine, to wake me immediately.
Insures I don’t stay asleep while I get dangerously less oxygen and higher carbon dioxide levels.
Immediately alerts you if critical things like your oxygen concentrator-radiator-refrigerator-water heater-heat pump-air conditioner-fish tank-terrarium-or ?
90% CHARGE VOICE ALERT extends battery longevity potentially saving you $50 to $100 battery replacement before upgrading to your next cellphone.