Evolution Gear EXPS3 558 Red Dot Holographic Sight clone. This is not a true holographic sight. It is a great option for airsoft or for a clone look. The performance of the glass is not as clear as a true EOTech holographic.
Please note that this is not a genuine EXPS3 holographic sight; it is a visual replica for airsoft. Suitable for AIRSOFT, GBBR.
Guide -
1. Push up button, to turn on red dot
2. Push NV button, to turn on NV mode
3. Push UP and Down button same time, red dot off
4. use a CR123A battery ( not included) and make sure the spring of the battery cap contacts the positive pole of the battery.