Bare-Tool Makita BVR450Z 18-Volt LXT Lithium-Ion Cordless 4-Foot 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 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 This tool is not equipped with Star Protection, and is only compatible with the Makita 18V LXT Lithium-Ion 3.0Ah battery (BL1830, sold separately). Tool Only, battery and charger not included Makita-built motor delivers 13,000 vibrations per minute (VPM) to help increase concrete strength Up to 25 minute run time under load Compact, ergonomic design at only 8.2 lbs. for reduced operator fatigue Makita LXT lithium-ion battery and charger produces 430% total lifetime work with 2.5X more cycles 3-year warranty on tool