Dakota PR-UT3000 Tone/Vibrating Alarm Pager System for use as a stand-alone paging system or can be connected to any of our other driveway alarm systems with relay outputs. The Dakota PR-UT3000 includes a vibrating and digital receiver that can be worn on your belt or put in your pocket to notify you of a visitor or customer, or when the manual paging button has been pushed. This paging system will work up to 600 feet, depending on terrain and antenna height. Built-in vibrating mode for silent paging. Rechargeable battery and charger are included.