Motionalert Feature Tells Others That User Has Become Immobile, Large Buttons For
Easy Operation, Large High-Contrast Liquid Chrystal Display, Msa Xcell Sensors With
Protected Sensor Inlet, 95+ dB Alarm, Configured To Detect O2, LEL, CO and H2S. Glow In The Dark Durable, Rubberised Housing For Secure Grip.
Instrumentation and Testing