Specification RF Remote Frequency: 868Mhz(Legal Frequency Band in Europe)Colour: WhiteBattery Type: Coin Battery CR2032Battery Included: YesPlastic Material: Fireproof ABSCertification: CE, RED, RoHSProduced by ISO9001:2015 factory: YesPatented Product: Yes Mulit Options according to Your Need, if you have any question about this product, please be free to contact with seller. 1. If you need 1 remote control all curtain blinds the same time up and down, like group control not separately, then you can buy 1 Channel Remote and multi RF+WIFI curtain switches or modules in this link.2. If you need a separate 2 channel remote, you can purchase a 2 channel remote and 2 RF+WIFI curtain switches or modules from this link.3. If you need 4 channels for separate control, you can choose to purchase a 4 channel remote and 4 RF+WIFI curtain switches or modules. Single Channel Remote - You can use the single-channel remote control to open, pause or close the curtains.- Support up to 10 curtain switches or modules at the same time.- The remote is with a wall mount, you can also mount it on wall where would be convenient for you. 2 Channel Remote You can use the 2 channel remote control to open, pause or close the two curtains separately. 4 Channel Remote You can control each of the four curtains using a 4 channel remote control. RF Remote Control Remote control supports flexible pairing and is not susceptible to interference. Magnetic Wall Plate Design - The wall bracket is magnetic, the remote control can be attached to the bracket and used like a traditional switch, or it can be used as a remote control in your hand.