Need info on remote control deadbolt door locks

Hi All,
I need recommendations on a good RF remote deadbolt door lock system.
I found several e-tailers that sell them but don't know which brand is
best/most reliable. I'm disabled and need this to be able to unlock my
apt. door while I'm in bed. The bed is approx. 30' away from the door,
that seems to be the max. for most systems I saw. Thanks for any info
you can provide!