Dongcheng DCZC22 22mm Cordless Rotary Hammer With 4-Mode | R/F Function & Battery-Charger, 1400 RPM

Multi-function Operation: The tool features 3-mode or 4-mode operation (depending on the specific variant) which includes drilling, rotary hammering, and demolition/chiseling functions, providing flexibility for various applications.
Constant Speed Control: According to the manufacturer, electronic constant speed control maintains consistent speed under load, ensuring efficient performance even in tough materials.
Ergonomics and Visibility: It features a comfortable overmold grip, a 360° rotatable auxiliary handle, and an integrated LED work light to enhance control and visibility in dark work areas.
User Opinions: Reviewers generally find the tool offers excellent value for a lower price than premium brands like Milwaukee or Bosch, highlighting its power and build quality for general use. However, some users have reported issues with battery life during heavy use.