If you have one of the S.R. Smith (PAL, Splash or aXs) lifts manufacturered prior to 2012, you can upgrade your lift to the LiftOperator Control System with this kit. Kit comes with mounting plate, lock, battery, charger and LiftOperator Control Unit. It does not include hand controller. Your old hand controller will work with the new unit. You can also order an updated hand controller (part number 1001600).