1. Please make sure that your mobile phone is connected to a router in the 2.4GHz band. 2. Make sure the Wi-Fi password is correct. 3. Make sure the Wi-Fi signal is stable where you are 4. Only supports mobile terminals, not computers and tablet connection devices 

Dear Customer, so sorry to tell you that this adapter won't allow your nikon 1 s1 lenses to mount to my canon t2i. 

Yes, K&F Concept Baby Monitor can only support 2.4G Wi-Fi, please ensure that your router supports 2.4G Wi-Fi. When pairing a camera, please choose a 2.4G Wi-Fi on your phone too. You can go back to using 5G Wi-Fi or other networks on your phone after a successful pairing. 

Yes it will. Just download the app and follow simple directions 

FD-EOS fit for Canon FD mount lens and canon EF mount camera body. canon 60d is EF mount, so the adapter ring can work with your camera, but you need to check your lens mount. could you pls let us know your lens specific model? service(AT)kentfaith(DO NOT)com, Please note: It is not same between Canon FD mount and EF mount, this adapter ring is only for Canon FD mount lens, please contact us if you want to purchase for Canon EF mount lens.