The BG-2V is a battery grip for Nikon D3400 DSLR camera.
It is equipped with an infrared vertical-grip shutter release button to enable shooting in the same fashion as a horizontal grip.
One-step shutter release button: The function is realized through IR, so it is not equipped with focus function, only shutter release.
This battery grip can hold one or two pieces EN-EL14 li-ion batteries, which makes 3000 shots actual in one full charge with 2pcs EN-EL14 batteries.
With a 1/4 screw hole on the bottom, can be fixed on a tripod easily.