Patent ID: 8519369

Claim:
A handheld illumination device, comprising: a deformable hermetically sealed housing that is configured to be held in a hand and configured to provide buoyancy; an input device contained within the deformable hermetically sealed housing and configured to be actuated by a user; a battery; a first illumination source configured to provide light in an infrared spectrum; a second illumination source configured to provide light in a visible spectrum; a processing circuit configured to: receive actuation of the input device, wherein the actuation of the input device corresponds to the user deforming the housing to engage the input device for a first predetermined amount of time; upon expiration of the first predetermined amount of time, temporarily illuminate the second illumination source to indicate activation of the input device; after the user stops deforming the housing of the input device, turn off the second illumination source; commence a second predetermined amount of time prior to the activation of the first illumination source, wherein elapsing of the second predetermined amount of time cannot be stopped by the user; upon expiration of the second predetermined amount of time, illuminate the first illumination source.