Includes Cordless Monitor Cordless Motion Sensor and a Cordless Call Button Motion Sensor can be placed to detect when patient is getting out of bed or walking through a doorway Works with 3 AA size batteries not included or the AC04 adapter not included Call button can be worn around neck with a lanyard or placed on the wall with included cradle Works with one 12volt battery included Monitor has high medium and low volume features Monitor works with 3 C size batteries not included or AC04 adapter not Included