MULTIGAS DETECTION: Keep your Altair 5X Multigas Detector maintained with this comprehensive kit. Altair 5X is equipped to measure multiple gases in one device, designed for virtually no cross-channel interference FULL-TIME TRACEABILITY: Altair 5X features Bluetooth automated recording of alarm events and data (including bump and calibration records), rechargeable Li-polymer battery with 20-hour run-time SAFETY & COMPLIANCE: Altair 5X's display has high-resolution color LCD with 18 built in languages, equipped with MotionAlert (man-down alarm) Feature, InstantAlert (manual alarm) Feature, and end-of-sensor-life warning RUGGED DURABILITY: Altair 5X Multigas Detectors have rubberized polycarbonate housing, integral pump to provide consistent gas flow, survives multiple 10-ft drops, certified IP65 rating COMPREHENSIVE EQUIPMENT: Altair 5X includes plug-and-play slots for MSA XCell Sensors, performance guarantee, warranty, MSA GALAXY GX2 Automated Test System and MSA Link Pro and MSA Link Software compatibility