This is a cordless wrench box with a battery from the BOSS brand. Details: Type: Lithium battery wrench Motor: Brushless, stronger and more durable Power: Marked as 148VF, but this is a commercial number, not the actual voltage. Likely 20V or 21V actual battery. Torque: Max Torque 700 N.M, very strong, can loosen lug nuts on heavy vehicles. Speed: 0-3300 RPM no load Battery: Cordless Lithium-ion, comes with a case containing two batteries and accessories like sockets and bits. In short: A powerful impact drill/driver used for loosening and tightening large nuts, suitable for cars, workshops, and heavy-duty work. For inquiries, call ( Phone number appears when clicking the contact button ) Selling price: 250