http: / / vizeri.com/VZ230 The VZ230 Compact Tactical LED Zoom Flashlight by Vizeri is an attribute rich light, developed for hard environments. It has an aircraft-grade aluminum body, premium Type III hard-anodized anti-abrasive finish — not a painted surface like other lights — non-slip surface knurling, a vacuum-coated aluminum optical reflector, and O-rings to seal out dampness which provides it an IPX7 waterproof score so it’s ranked for up to 1-meter submersion. The VZ230 comes with a light diffuser