88V Lithium Battery Powered Brushless Impact Spanner 1/2" Electric Spanner Features: This impact spanner has large torsion, which can simplify operation and improve working efficiency. Designed with ventilation holes for quick heat dissipation, effective extending service time. Anti-slip handle with ergonomic design that make it easier to operate, comfortable to hold.  Powered by 12000mAh large capacity lithium battery, it has strong power and long duration. Built-in brushless motor has low noise, fluent running and long lifespan. Specification: Material: Plastic Weight: 4082g/144oz Output shaft form: quadrangle head (1/2") Maximum torque: 340Nm No-load speed: 0-2300r/min Impact frequency: 0-2900hz Cell capacity: 2.6/3.0/4.0/5.0 Size: 40*30*9cm/15.7*11.8*3.5inch Package List: 1 * Impact Spanner  1 * Sleeve 2 * Lithium Battery 1 * Charger 1 * Strap 1 * Plastic Box Note: Please allow slight error due to manual measurement. Thanks for your understanding.