The EVA Electric is battery operated and will assist the user to a standing position. It has a lifting capacity of 220 lbs. The pendant control works independently of the hand grips. The hand grips have up and down push button controls built in. Both the pendant control and hand grips are included. Includes 2 - 12v 2.9 rechargeable batteries for 24v 2.7 Ah hookup. Will operate at 6 minutes per hour continuous use. Minimum 50 times up/down between charges. Batteries and charger are included. No rear wheel locks.