... powerful magnet and LED 2, 16 LED 3, led colors: red, amber, yellow, blue, green, white 4, Can use on water ... 1:1 TYPE Patent single recharge 16 LED magnet LED warning lights BatteryLi battery 700mAH/3.7VLED16pcsBrightnessRED color-6500-7000MCDA/C wall ... it is full charger, the light on ellipse will turn RED.