CONFORMS TO EN 12941:1998 + A1:2003 + A2:2008 All-in-one, integrated unit with battery and blower motor contained in compact casing: delivers better safety. Side-mounted battery contained in housing on five (5) sides and locks into place to reduce accidental disconnections. Ergonomic belt distributes weight evenly and prevents slipping: adjustable nylon straps for additional support: optional comfort pad. Smart breathing tube connection. Twist and lock connector angles tube away from back. illuminated, easy-to-read display: large buttons for easy operation – even for workers wearing gloves: offers access to adjustable airflow with three speeds: buttons are spaced apart to prevent accidental shut down of the unit when changing airflow speed. Locks into place with a quarter turn, assuring workers they are secure. Assembly includes connected blower, battery, battery charger, comfort pad, flow meter and nylon belt