With more than 25 sensors to choose from RAE® Systems MultiRAE Pumped Portable Multi-gas Monitor can test for VOCs, combustibles, and a range of toxic threats, as well as monitor sufficient oxygen levels, making it an excellent choice for personal protection and leak detection in a range of industries and applications. | The wireless connection sends threat and alarm data in real time to a central command, providing superior awareness for fast incident response. | And its replaceable sensors, alarm, and battery, large screen, and automated bump testing and calibration make it easy to use and maintain| DUE TO THE SHELF LIFE OF GAS SENSORS, MOST MULTI GAS MONITORS ARE MADE TO ORDER BY THE MANUFACTURER. PLEASE ALLOW EXTRA TIME FOR DELIVERY OF THIS PRODUCT.