The Pocket Pump TOUCH personal air sample pump provides low flows, from 20 to 500 ml/min for gas and vapor sampling. Pocket Pump TOUCH features touch screen operation that feels like your cell phone, Bluetooth communication with PC and Data Trace Pro Software, powerful Li-Ion battery for 20+ hours run time at 500 ml/min, exhaust port for direct filling of sample bags, AC Adapter/charger, and more in a miniature pump that fits in your pocket. Pocket Pump TOUCH is UL Listed for intrinsic safety.