I have been looking for this type of lock and Tanga was the cheapest for my item

I have installed these before and have been using them for over a year with no problems and the same set of batteries. Be sure the cutout for the bolt has plenty of room to operate without rubbing against the sides. Any contact will make the lock not perform properly. Easy to program and use. Very convenient way to secure doors without having to fumble for keys.

Already had a deadbolt, so easy install, took 20 minutes, easy programming, already being used.

Great! Fast shipping