Aluminium 100 meters diving lamp is a submersible lamp with multiple lighting modes. It adopts aluminum body, metal reflective cup and double-sided coating toughened optical lens, with water-proof performance of 100 meters. Aluminium 100 meters diving lamp utilizes a CREE XM-L2 LED and powered by one 18650 Li-ion battery, with the maximum light output of 1100 lumens. DV20 has three lighting levels, strobe and SOS modes. It is not only a diving lamp, but also a tool for patrol and defense.