From the same Amazon-owned brand that makes the security cameras, the Ring Alarm system comprises a base station, a contact sensor, a motion detector, a keypad (for alarm arming and disarming ...

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.