Makita XRV01Z 18-Volt LXT Lithium-Ion 4-Feet Concrete Vibrator (Tool Only, No Battery) Makita-built motor delivers 13,000 VPM to help increase strength of concrete Dual directional switch to conveniently hold the tool in either horizontal or vertical positions Up to 25 minute run time under load Compact design at only 58-1/2" long and weighs only 7.7 lbs. for reduced operator fatigue Protective cover to help prevent battery contamination