The Electronic Scopeswitch is new type of optic mount allowing your off hand to control the zoom ring on your optic with just a button and keeping your hands where they need to be on the gun. 

It has two version options: 

1) Single Controller with 400mha battery insider to boost the motor.

2)Controller combined with Green laser,equipped with 400mha battery and 1 pcs 18650 battery.

Now it is available for Marcool Stalker 1-10x28SFP  34mm tube ED glass Premium scope.

And for Marcool Assailant 1-10x24SFP  30mm tube Fiber illuminated reticle entry level scope.

You could choose only the mount system which fits Vortex Eaglestrike LPVO 1-6x24 and Sigsauer Tango 1-6x24.