... flashlight gift item with Compass for lovers, men, women, children, car, logo, alloy, electric gift1. CE+RoHS+BV ... Working Principle:Thisproduct adopts the principle of cranking for power generation to charge itsbuilt-in battery. It ... other usaege.Main Technical Parameter: Electric Performance Parameters Lighting time after cranking for 1 minute≥6 MinMax. ... 8 In 1 LED flashlight gift item for electric