MULTIGAS DETECTION: Equipped to measure Lower Explosive Limit (LEL), Oxygen (O2), Hydrogen Sulfide (H2S) and Carbon Monoxide (CO), designed for virtually no cross-channel interference FULL-TIME TRACEABILITY: Records 500+ alarm events and 50+ hours of data (including bump and calibration records), rechargeable Li-polymer battery with 24-hour run-time SAFETY & COMPLIANCE: LED indicates bump pass/fail with large on-screen cues, equipped with MotionAlert (man-down alarm) Feature, InstantAlert (manual alarm) Feature, and end-of-sensor-life warning RUGGED DURABILITY: Tough over-molded rubber armor, survives multiple 25-ft drops onto concrete, MIL-STD-810G drop protection, certified IP68 rating, dust and waterproof COMPREHENSIVE EQUIPMENT: 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