Tovatec Zoom Head Lamp
The lens zooms from 10-50 degrees and the light can be used as a video light as well when the zoom lens is removed. In that case it uses a 140 degree beam angle.
The Tovatec Zoom Head Lamp has a rating up to 100 metres of depth and has a full power, 30% power and strobe mode.
The Tovatec Zoom Head Lamp required 3 AAA batteries (not included with purchase) or can be powered through USB.