Product details:

The H1R Nova is machined from aluminum alloy, hard-anodized with scratch and impact resistance. It is also rated IPX8 waterproof, for if you wanted to go swimming with it in hand. Utilizes CREE XM-L2 LED (NW/CW) paired with bead TIR optic lens, giving a perfect close-range illumination experience Gradual brightness changes. When turned on/off on medium, high and turbo modes, it will light up or fade gradually to protect eyes from the stimulation caused by sudden brightness changes 180 degrees smooth vertical rotation for the light on the silicone mount SOS mode available for emergency uses.