The Simple Alerts 2 Piece Kit by SMPL Technologies is a simple and expandable alert solution designed to help caregivers prevent falls at home. This home safety kit includes the alert pager worn by the caregiver and the portable call bell, which are paired and ready to use right out of the box. The Simple Alerts 2 Piece Kit by SMPL Technologies is designed to help users call for caregivers when in need, increasing safety and preventing falls at home. The SMPL Receive Pager is portable, clips to a belt, and is small enough to place in a pocket. The pager will sound, vibrate and light up, to provide an alert when someone presses the SMPL Call Bell. The portable help button lights up when pressed and signals the pager to alert. The button can be placed on a bedside table and includes double-sided tape for wall installation, making it ideal for bathroom safety. The pager and the call bell both require two AAA batteries, which are not included. Additional SMPL sensors and pagers can be purchased separately to expand coverage for easily monitoring doors, cabinets, windows, rooms, hallways, and other areas in the home. Up to 20 additional SMPL Sensors can be paired to one SMPL Pager in a few easy steps. Different alert sounds and volume levels for each Sensor can be set, and additional portable pagers can be paired to one sensor to allow for more users. The Simple Alerts 2 Piece Kit by SMPL Technologies provides a reliable alert system to help caregivers keep children, disabled, and visually or hearing impaired persons safe at home. Simple Alerts 2 Piece Kit by SMPL Technologies Instructions Simple Alerts 2 Piece Kit by SMPL Technologies Specifications: Wireless Range: Up to 250 feet in open area, 100-200 feet indoors. Includes: Pocket sized pager, portable call bell button, instructions. Power: Four AAA batteries, not included. Call Bell measures: 3 inch diameter, 1.5 inch high. Pager measures: 3.5 inches long, 2.25 inches wide, 0.75 inch high. Pager volume: Volume range 0-100 dB, 5 levels, adjustable. Model: 50833.