Wireless remote control with 1 Channel Controller IR Remote Control | Battery: 3V CR2450 Battery Life: >2 years, Radio Frequency: 433.92MHz | Control Range: 200 meters outdoor, 35 meters indoor | Advertised picture 2# shows steps for cloning the new remote with your existing remote on hand | Can be used for DOOYA brand motorized roller/curtain motor or choice for replacement one you have ever used to pair current battery roller motor or any RF shutter/ curtain motor