The Dakota Alert PR-2500 Pager will receive a signal from any of the Dakota Alert 3000 and/or 2500 transmitters. Now be alerted to visitors wherever you are. This pager is ideal for farms and small businesses! Clip the pager on your belt or carry it in your pocket. Choose from audible alarm or vibrating paging. The rechargeable battery and battery charger are included! The Dakota Alert 2500 Pager also date and time stamp's each alarm even so with a quick look you can tell if you have somehow missed a visitor!