No, the Sony a6000 supports Full HD 1080p video recording at up to 60 fps. For 4K recording, consider renting the Sony a6300 or a6400 models.
The Sony a6000 uses the NP-FW50 battery, providing approximately 310 shots when using the viewfinder or 360 shots when using the LCD screen.
The Sony a6000 is not weather-sealed or waterproof. It should be protected from heavy rain, dust, and extreme moisture during outdoor rentals.
Yes, you can use Canon EF or EF-S lenses on the Sony a6000 by using a lens mount adapter, such as the Metabones or Sigma MC-11.