Two operations available -- Hand Pump and 12V DC Power with rocker switch to raise and lower. Hand Pump design features an ergonomic pump handle with 2 lifting speeds to accommodate for light or heavy loads. Battery Charge Indicator Gauge now standard on HL-220-DC-HD, HL-270-DC-HD and HL-270-DC-HD-SS. Suffix "SS" for stainless steel construction. FOB Shipping Point.