Key Features Outstanding Performance: Its 1000W engine with 2300~4000bpm impact frequency and 30J impact energy provides stable and great power output, ensuring efficient breaking even when handling hard rocks or concrete. Multiple Functions: It can easily switch between hammer and chisel forms with four functions: hammering, slotting, drilling, and crushing, meeting your different needs. Large Capacity: With a large capacity fuel tank (0.24gal) and a low fuel consumption (≤ 0.13gal/h), this engine can work continuously for 7-8 hours with full oil. It ensures reliable performance without frequent refilling. Application It can be used for ground slotting, wall drilling, and concrete demolition. It is very suitable for housing foundation removal, brick demolition, interior decoration, and pipeline engineering. Specification Color: Black, Red Material: Aluminum, Plastic, Silicon Style: Modern Process: Plastic Spraying Starter System: Hand Pull Start Engine Type: 36*32mm Single Cylinder, Air Cooling, 2-stroke Assembly Required: Yes Max. Power: 1000W Max. Drill Speed: 450rpm Displacement: 33CC Impact Frequency: 2300~4000bpm Impact Energy: 30J Max. Torque and Speed: 1.45N.m/5300rpm Fuel Mixture Ratio: 25:1 (Gasoline: 2-stroke Engine Oil) Fuel Tank Capacity: 0.9L/0.24gal Fuel Consumption Rate: ≤0.5L/0.13gal Per Hour Noise: ≤104dB Drill Size: 32cm/12.6in Point Chisel Size: 35cm/13.8in Flat Chisel Size: 35cm/13.8in Product Size: 67.2*25*24.5cm/26.5*9.8*9.7in Package Size: 30.5*30*67cm/12*11.8*26.4in Net Weight: 12.95kg/28.6lbs Gross Weight: 14kg/30.9lbs Package Included 1* Demolition Jack Hammer 1* Auxiliary Handle 1* Fuel Oil Mixing Bottle 1* Funnel 1* Point Chisel 1* Flat Chisel 2* Filters 3* Drills 1* English Manual Other Accessories for Use Notes Please read the manual carefully and pay attention to the safety precautions inside.