Product information:

• Product Name: multifunctional impact drill
• Model: (B) 88vf10000ah, one electric and one charge,
• Rated input power: 800 (W)
  Maximum diameter of drill bit: 13 (mm)
  No load speed: 1500 (RPM)
  No load impact rate: 1800 (BPM)
  Power supply voltage: 21V
  Type of power supply: rechargeable lithium battery technology
  With or without positive inversion: Yes
  Revolution: 1800 (RPM)
  Chuck diameter: 13 (mm)
  Impact number: 1800 (IPM)