Rated to IP67 protection levels for dust /water ingress. Triple-alarm system featuring two bright flashing LEDs, a piercing audible alarm, and a vibrating alarm. Dust and water protection rated IP67. Patented electrochemical sensors and MSA-built button sensors. Stainless steel and solid electrolyte construction virtually eliminate sensor leakage. Automatically records the last 25 alarm/test events and can communicate data by connecting to MSA Link via built-in IR communication port. Rubberized armor housing and one-button operation for maximum durability and simplicity. Markets - Oil/Gas; Construction; General Industrial.