Honeywell BW™ Ultra 4-Gas; O2, LEL, H2S, CO

Designed specifically for sampling and monitoring confined spaces, before and after entry, by simultaneously detecting the gases required to monitor in confined spaces with a fifth sensor for the gas of your choice (Fifth sensor on Select Models Only). Features a large, easy-to-view screen, enhanced situational awareness for the hole watch, TouchConnect™ Technology for quick instrument management, remote monitoring for an additional layer of protection, the new 1-Series sensor for enhanced reliability and Bluetooth™ Low Energy allowing the detector to connect to Honeywell's Safety Communicator App. Has an ergonomic, honeycomb-design for extra ruggedness with protection in the right places, a scratch-resistant display protector, and a yellow-housing. Show Less