Specification:  Type of power supply: Rechargeable lithium battery technology;  Rated voltage: 21V;  Rated input power: 300W;  Cutting depth in wood: 30mm;  Cutting depth in aluminum: 30mm;  Cutting depth in steel: 30mm;  No load speed: 2300rpm;  Width of saw: 25mm;  Blade diamete: 50mm;  No load impulse: 2300 (times / min);  Tilt angle of base plate: 45 °.     Features:  - 4 Adjustable cutting angle.  - Anti-drop design saw blade installation ,saving time and effort.  - Non-slip handle: easy to carry.  - Self locking in case of mistaken.  - Air vent for cooling prevent the motor for burning out.     Package Includes:  1 x Cordless Jig Saw;  1 x Hexagon wrench;  1/2 x Lithium battery (optional);  1 x Charger;  1 x Use Manual;  1 x Box.     Note:  1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.  2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you