BW GasAlertMax XT II Confined space monitor includes pump

The BW GasAlertMax XT II is a confined space monitor that comes with a built-in sampling pump. Will sample at up to 20 m. Simple 1 button operation. Measures:- H2S 0 to 200 ppm (0.1 ppm resolution), CO 0 to 1000 ppm (1 ppm resolution), O2 0 to 30% (0.1% resolution), and combustible gases 0 to 100% LEL (1% resolution Methane), 0 to 5% v/v (0.1% resolution).  Alarms: visual, vibrating, audible (95 dB), Low, High, STEL, TWA, and OL (over limit).  Lithium polymer battery life 13 hr (typical) recharge time 6 hr.