Features: The 868MHz SLH Transmitter ensuring 3x strong signal stability than standard remotes in high density residential areas or industrial zones. This remote Switches boasts a robust receiver sensitivity and operates on 280-868Mhz frequency, ensuring consistent performances even in challenging environment. Ideal for homeowners, property managers, and logistics operators requiring daily high frequency access to European standard garage door or commercial shutters. Secure control double layer garages or large courtyards from extended distances, even in electromagnetic heavy environments near factories. With reduced data deviation, this remote Switches is engineered for efficiency, making addition to any modern electronic setups. Specifications: Component:ABS Type:2 Button/4 Button Size:Approx.6.3x4cm/2.48x1.57inch Note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item. Package includes: 1Pc Remote Control