Key fob Key fob Arm your O2 Smart Home, without getting your phone out. Buy now: £10.00 Keep the key fob handy to set your O2 Smart Home to Home or Away mode without needing to get your phone out. Works well in conjunction with the keypad , sold separately. See if you can get O2 Home × Close See if you can get O2 Home O2 Home is only available in selected areas at the moment. Find out whether you can get it where you are. Postcode We need your postcode. Try again to continue. O2 Home is not yet available in this area. Cancel Find Add to basket In basket Available in Change postcode Select an O2 Home pack before choosing any other products.