This head lamp is manufactured with COB (Chip on Board) LEDs which are the most recent development inLED technology using chips with multiple diodes (typically 9, or more). There is no casing with COBtechnology which enables a much denser LED array of light compared to SMD. The lamp is manufacturedfrom ABS with a magnet on the back which allows more flexible use. It requires 3 x AAA batteries which arenot supplied.Lumens: 200 CE Approved BARCODE 5017403 083696