Single-Gas Detector, Replaceable Battery Yes, Product Type Single-Gas Detector, Display Screen Type LCD, Includes Probe Yes, Housing Color Black, Gas Detected Hydrogen Sulfide, Communication Protocol PC-Compatible Interface, Wireless, Series BW Max XT, Sub-Brand BW, Battery Size 3.7V, Rechargeable Battery Yes, Battery Voltage 4.2 V, Resistance Properties Water Resistant, Temperature Code T4, Alarm Setting High 150 ppm, Low 100 ppm, Battery Life 13 hr