STIHL RMA 510 V 21 in. 36 V Battery Self Propelled Lawn Mower Kit (Battery & Charger) Valve Cordless blower with variable speed Men's Workwear Cordless blower with variable speed of 130 MPH The Westinghouse Ceiling Fan and Light Wall Control offers convenient fan speed and light controls without having to reach for a pull chain 36 V Battery Self Propelled Feature 10 Text Feature 1 Text Self propelled with variable speed drive a squee Feature 2 Text Brushless electric motor with ECO mode the motor Feature 3 Text Zero or low exhaust emissions Feature 4 Text Mower can be stowed in three positions: folded or Feature 5 Text Locking key key prevents accidental starting of Feature 6 Text No gradual drop in power A 21 inch deck with a 20 inch cutting width makes the RMA 510 V highly maneuverable and able to quickly cover small to medium size yards