kinglock.com

Kinglock.com. distributes a full line of home security hardware; the remote control door locks will lock and unlock your doors using a high-security infrared remote system (similar to Luxury Automobile system). Single push button programming procedure, very user friendly.
Each lock recognizes up to 30 different remote control codes.
Each remote transmitter is programmable to open up to 30 different doors.
The lock set uses 4 conventional AA batteries. Low battery consumption, lasts up to 18,000 times of usage per set of batteries.