It is a pure simple flashlight that brings light...and nothing more. It uses very very very little energy, 'cause it's just a flashlight. Maybe it is the most simple flashlight that you've ever seen. Genious, isn't it?
It helps to accurately detect temperature of your mobile device’s battery. Temperature influence changes battery capacity (fast battery discharge) – to low or to high temperature lowers capacity, so do not leave your mobile device in the cold or under hot sun. Use widget for more effective work.