Features: Powerful Tool --- Pure copper motor with 48VF( 21V Rate Voltage) battery delivers no load speed of 0 - 3000 SPM for strong, controlled, quickly cutting through wood, pipe and metals. 4.0Ah large battery capacity provide longer runing time. Adjustable Speed & Lock-on Button --- Equipped with a stepless speed change trigger(0-3000SPM) to expertly cuts through almost any material from fiberglass and PVC to metal and masonry; With lock on button can lock speed no need to press the trigger switch all the time, reduce using fatigue. 15mm stroke length provide strength and control. Tool-Free Blade Change --- Keyless Quick-Lock blade chuck offers fast and easy blade changes. There's no need for an Allen wrench or chuck key, blade can be changed easily just by rotating the chuck, the auto-lock clamp enables faster blade installation and removal as well as insures the firm and safety of blade. Easy Operating --- Soft rubber handle comfortable and anti-slip for firm grip and improved control with minimal vibration. Mini portable size easy for carry on and control, one hand can handle cutting work. Power indictor & Fast Charge --- Power indicator display battery power, which reminds you to charge it in time to avoid delays of your work. The fast charger saves your charging time for continuous work. Specifications: Reciprocating Saw Kit: 18V One Battery Reciprocating Saw Kit/ 18V Two Battery Reciprocating Saw Kit/ 48VF ( 21V Rate Voltage)One Battery Reciprocating Saw Kit (optional) Plug: EU/US(optional) Motor: 70N. Pure Copper Motor Li-ion Battery: 18V: 118650/1.5Ah x 3 48VF( 21V Rate Voltage): 118650/1.5Ah x 5 Battery Capacity: 18V: 4500mAh 48VF( 21V Rate Voltage): 7500mAh No Load Speed: 0-3000 SPM Reciprocating Stroke: 15mm Adjustable Speed: Stepless speed change Battery Running Time: up to 60min(under no load situation) Cutting: 0-7mm metal, 0-100mm plastic, 0-180mm wood Saw Blade Length: 15cm/5.9in Reciprocating Saw Size: 37*19*7.5cm/14.6*7.5*3.0in Reciprocating Saw Weight: 1074g/37.9oz Package Weight: 18V One Battery Reciprocating Saw Kit: 2242g/79.1oz 18V Two Battery Reciprocating Saw Kit: 2517g/88.8oz 48VF( 21V Rate Voltage) One Battery Reciprocating Saw Kit: 2290g/80.8oz Package Size: 33*26*9cm/13.0*10.2*3.5in Package List: 1 * Electric Saw Body 1 * Metal Saw Blades 1 * Wood Saw Blades 1* 48VF( 21V Rate Voltage) Li-ion Battery 1 * Charger 1 * Carry Box