| BW Technologies GAXT-X-DL-2 GasAlert Extreme Oxygen (O2) Single Gas Detector, 0-30.0 Percent Measuring Range, Yellow Product Features: • Single-gas detector for surveying levels of oxygen (O2) in natural and industrial environments, and in other personal safety, training, research, and ambient air monitoring applications • Electrochemical cell sensor monitors ambient oxygen levels continuously • Audio, visual, and vibration alarms alert simultaneously when oxygen gas reaches preset TWA, STEL, low, or high levels • LCD screen shows self-test status, alarm set-points, maximum exposure, gas type, alarm level (TWA, STEL, low, or high), and battery life remaining • Back-mounted alligator clip allows wearing the unit on a belt, and a concussion-resistant boot helps protect against damage |