The Ring Alarm 5-Piece Kit includes a base station, a keypad that you can use to arm and disarm the system, a contact sensor that sets off the alarm when its components stop touching each other ...
The second generation Ring Alarm is already on sale in the US for $249. The UK starting price is £219 which includes a base station, keypad, contact sensor, motion detector and a range extender.
SEE FULL REVIEW » Plans and Equipment: Ring Alarm offers security system packages that start at $199.99 for one motion sensor, one entry sensor, a base station, a keypad, and a signal extender.