Laerdal Compact Suction Unit 4 LCSU 4 is always ready to assist you in providing effective suctioning, because its compact size and shape enables you to carry it to every call Its unique canister system, coupled with a variable vacuum regulator and LED display, gives you the capacity and control you need to quickly clear a blocked airway. An AC/DC enabled, field changeable, rechargeable NiMH battery pack assures you always have the power to get the job done. Carried to every call: Unique 300ml Disposable Canister system with rotating elbow and integrated filter protection. The Laerdal Compact Suction Configuration includes: The LCSU4 complete package which includes an LED Control Panel and Regulator, Internal Battery, AC to DC Adapter/Charger, AC power Cord, Directions for Use and the unique disposable single Canister system with integrated filter and rotating elbow.