GMK

Examples of sensors are GMK's own monopoly, which does not mean it cannot be used for the rest of the alarm panels.
This product is used in all alarm panels due to its wired.
The criterion that distinguishes these eyes from each other
1- Depth of vision (ie the distance between the eye and the moving object)
2- Speed ​​and power performance
3- Eye error against factors such as cold and heat of sun and in darkness and ...