- Model 1: Horizontal Non-heating Drill Bit (Quiet Model)
Brand: Zhengling
Power: 300W
Speed: 4000 RPM
Gross Weight: 5 kg
Maximum Drilling Depth: 15 cm
Maximum Drill Bit Thickness: 2.0 mm

- Model 2: Electric Drill with Horizontal Band (Quiet Model)
Brand: Zhengling
Power: 300W
RPM: 4000
Gross Weight: 5 kg
Maximum Drilling Depth: 15 cm
Maximum Drill Bit Thickness: 2.0 mm

- Model 3: Horizontal Non-Heating Drill Bit (High-Power Model)
Brand: Zhengling
Power: 325 W
RPM: 2,500
Gross Weight: 5 kg
Maximum Drilling Depth: 15 cm
Maximum Drill Bit Thickness: 2.0 mm

- Model 4: Horizontal Heating Drill Bit with Level (High-Power Model)
Brand: Zhengling
Power: 325W
RPM: 2500
Gross Weight: 5 kg
Maximum Drilling Depth: 15 cm
Maximum Drill Bit Thickness: 2.0 mm

Outer Packaging Specifications:
Voltage: 220V/50Hz
Gross Weight: 6.1 kg
Outer Box Dimensions: 58.5 × 28.5 × 25 cm