The Makita DHR281ZJ 36v Twin 18v LXT Brushless Rotary Hammer Drill has 3 operating modes and is powered by two 18v batteries for a huge 36v in power. The brushless motor, adjustable side handle and anti-vibration technology make for a comfortable working experience for short or long periods. Powered by two 18V Li-ion batteries in series to supply energy to the powerful 36V DC motor drive system. Features and Benefits: Supplied with Quick Change Chuck Brushless motor Electric brake Variable speed control by trigger Constant speed control Forward / reverse rotation LED job light 3x Operating modes (RO/RH/HO) Torque limiter "Soft no load" function automatically reduces the motor speed during idling to suppress the vibration of the machine body. Anti vibration .