Check the listing for details. 24GHz Remote Control Bluetooth Key Fob for TTLOCK Door Lock Devices. Condition: New. Listed at 53.72 USD. The R1 remote control can only be used with for TTLOCK devices. But not all of TTLock devices can use this remote, it should have "Wireless Key Fob" option on your for TTLock app and your TTLock module supports remote control function. To use the wireless remote contorller, you need to confirm that for TTLOCK smart devices you have support add remote controller, there should be like below in your app Interface. Otherwise Don't order, could be incompatible. PLEASE NOTE: If you have any doubts or questions about the item, please don't hesitate to contact us - we'll be happy to help to assit you with technical product details or provide dimensions for cross-referencing. Our delivery partners are Yodle, Royal Mail, and Evri for the UK. For worldwide orders, we work with both local and inter.