Sensepoint XRL is a Fixed Point Gas Leak Detector That is Designed to Meet the Needs of Industrial Applications. With Over 50 Years Experience in Gas Leak Detection, Honeywell Offers a Flexible Range of Highly-Reliable Sensing Devices to Meet Those Needs. Honeywell Innovation Enables Customers to Pair the Gas Detector with Their Mobile Phone, and Then Use an App to Perform Many Tasks Related to Installation, Commissioning and Maintenance. Each Sensepoint XRL is Supplied with Registration Sheet, M20 or 3/4 Feet NPT Metal Stopping Plug, Hex Allen Key and Quick Start Guide. Sensepoint XRL is Fully Configurable Via Bluetooth on Your Android Smart Device. NOTE: Chlorine (Cl2) Versions are NOT Suitable for Use in Hazardous Locations