The in-wall Roller Shutter Controller is designed to switch rise/lower roller shutter connected to its terminals using radio waves, controllers and a push button directly connected to this Roller Controller. This in-wall Roller Shutter Controller is a Z-Wave Plus TM enabled wireless device fully compatible with any Z-Wave TM enabled networks. This device is a security enabled Z-Wave Plus product that uses encrypted Z-Wave Plus messages to communicate to other security enabled Z-Wave Plus products. Z-Wave TM enabled devices displaying the Z-Wave TM logo can also be used with this device regardless of the manufacturer. This product can be operated in any Z-Wave network with other Z-Wave certified devices from other manufacturer. Within the network it will act as repeater regardless of vender to increase reliability of the network. Slim design let the Controller can easily hide itself into the wall box and that will be good for the house decoration. This device must be used in conjunction with a Security Enabled Z-Wave Controller in order to fully utilize all functions. Its functionality and supported command classes is identical when included as a secure and non-secure device. The new smart relay calibration technology can reduce the inrush current caused by the load and let the module work perfectly with many kind of Roller Shutter. This in-wall Roller Shutter Controller is able to detect position of the Shutter by using the patterned power measuring method, so it can be remote controlled not only fully up or down, but also can be adjusted to ex. 30% or 50%. And when manual controlled by push button, the controller also can memorize the position and send the new shutter position to its controller (ex. IP-Gateway).