Check the listing for details. SMPL Additional Help Pendant. Condition: New. Listed at 19.99 USD. The Smpl Help Kit is expandable (sold separately). You can purchase up to 20 Help Pendants that can trigger multiple Portable Alert pagers (sold separately). By pushing the Help Pendant button, the Portable Alert pager is triggered from up to 250 feet away. The pager then alerts the caretaker through vibration, a flashing LED indicator light and an alarm melody. Can also be used with the Smpl Wander Alert Motion and Door Sensor Kits. FeaturesA simple push of the button on the Help Pendant can trigger multiple Portable Alerts. (sold separately)Expandable; can add-on up to 20 Help Pendants to one or multiple Portable Alert pagers.Up to 250 ft range indoors between Help Pendant and Portable Alert pager.Pager alerts through vibration, flashing red LED light indicator and a choice of (50) alerting melodies.Help Pendant resets automatically.Utilizes low power consumption Radio Frequency technology - Battery operated and wireless.Low-cost solution - no Wi-Fi or monthly fee required.