Laser Energetics, Inc. (LNGT)

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Another key requirement for the RFI - "1.1.1 Immersion. The OI device, without the use of a waterproof bag or case and with the battery cover open or closed, shall be waterproof to a depth of 1m of saltwater for a period of 15 minutes. The OI device, under the same conditions, should be waterproof to a depth of 20m of saltwater for a period of 2 hours. Immersion shall not cause inadvertent activation of controls."

This requirement also kills off current competitors, in addition to the eye safety requirement.

And LNGT's Dazer Laser® is fully waterproof up to 20 meters or 66 feet (2 atmospheres).