1, Patent warning light 2, With powerful magnet 3, 16pcs high bright LED 4, ... Take out the ellipse charger, put the charger onto the light as photo shows below, there has a + and mark ... 3> Connect the USB wire with the ellipse charger, now you can charger the light through the computer USB plug. 4 ... car adaptor only.*** When it is succeed charging, the light on ellipse charger is GREEN, and when it is ...