The Laerdal Suction Machine Unit provides you with powerful suction in the convenience of a portable, dependable suction machine. This suction unit is quiet, bump and splash proof, and features system diagnostic tools, color/size coded tubing, a built-in charger, variable vacuum, single knob control, 5 commonly used settings, protective “Rib Cage” design, night/day visibility LEDs, replaceable battery, and it is capable of 30 LPM at 500+ mmHg.