Ultimate Night Fishing Head Lamp Turn it on manually or set it to wave mode and turn it on/off by waving your hand in front of it. It is water resistant and rechargable - comes with rechargeable Lithium Ion battery that will last 30 hours on a single charge. USB Charging cable included. The head lamp is on a hinge so the angle of light can be adjusted. Makes a bright blue/white beam with its Q5 LED or can be used in red mode for low light applications.