FOR Meike MK-A7R IV Pro Vertical Battery Grip for Sony A7RIV A7IV A9II A7SIII A1 Camera as VG-C4EM with 2.4GHz Remote Remote Control
Model : A7RIV A7IV A9II A7SIII A1 Camera
Voltage : 6.8V (grip); 3V (remote control)
Current : 480mA (grip); less than 50mA (remote control)
Power supply : NP-W126 /NP-126S lithium battery (grip); 2 AA batteries (remote control)
Weight : about 265g (grip); about 32g (remote control)