Used in a wide range of industrial settings this serviceable 4-gas detector has a choice of more than 15 sensors, including O2, CO, H2S and LEL. Featuring a large high-resolution display in multiple languages and one button function for easy use, it ensures key safety information is relayed clearly and effectively. The gas detector can easily be paired with a smartphone via Bluetooth® and users can download the Honeywell app for reporting and analysis.