According to photorumors, TTartisan has released some new camera light meters and before, this company also launched some light meter and you can check them on amazon.
The new camera light meter’s details:
The meter conveniently slips into the camera’s shoe while readings are taken
Three dials – one for ISO, one for aperture and one for shutter speed allow settings to be made
A series of LEDs illuminate to tell the user when the correct measurement has been achieved
Available in Black (Brass), Black (Aviation Aluminum), and Silver (Aviation Aluminum)
Due to the special character of Black (Brass) edition, the return and exchange is not supported
Battery CR2032 is not included in the package.
pictures below