Abstract: A headwear-mountable situational awareness unit is disclosed. The unit includes a thermal imaging camera rotatably connected to a mounting portion, the mounting portion connectable to a front portion of protective headgear. The unit further includes a heads-up display pivotally connected to the mounting portion, the heads-up display portion arranged to pivot between a mounted position and a handheld position and configured to display information captured by the thermal imaging camera.

Abstract: A marking device is disclosed. The marking device includes a marker housing. The marker housing includes an attachment portion configured to pivotally attach the marker housing to a pole. The marker housing also includes a translucent portion formed around at least a portion of the housing. The marker housing also includes an environmental seal. The marking device includes an electrical light positioned within the marker housing and oriented toward the translucent portion, and a programmable circuit configured to activate the electrical light in one or more marking flashing patterns. The environmental seal protects the electrical light and programmable circuit from external environmental conditions. Optionally, the device can clip to a marker such as a flag to indicate the existence of a hazardous condition.

Abstract: A safety device is disclosed. The safety device includes a protective component wearable on a user's head. The safety device further includes a display unit configured to present status information at position in the periphery of the field of view of the user. The safety device includes a communications unit connectable to a wireless communication network and configured to send or receive status information. In certain embodiments, the safety device is a breathing apparatus or a head protection device. A method of presenting information to a user of the breathing apparatus is also disclosed.