CONVENIENT SMART CAREGIVER RECEIVER - The call button system is simple to set up, and allows for those in need to remotely notify at-home caregivers, nurses, therapists, spa workers, etc. when assistance is needed . MULTIPLE ALERT OPTIONS & BRIGHT ALERT LIGHT: 1. Sound+Light,2. Sound Only,3. Light Only - Bright LED alert light is perfect for those with impaired hearing - System range of up to 500+ ft in open area - 32 melody/alarm sounds to choose ( 23 melody alerts and 9 emergency alerts), 3 level adjustable volume control, and using 16-bit encoding to eliminate interference from other devices . PAIR UP TO CALL BUTTONS WITH RECEIVER - One call button, one receiver (or multiple receivers), call button can be worn as a pendant, carried on pocket, or placed at bedside - Call button is water resistant - Slimline caregiver receiver can be wall mounted, placed near caregiver, or carried in pocket . SYSTEM RANGE OF UP TO 500+ FT :Simple to use two call button alarm/alert system for patient and caregiver - Ideal emergency alarm for elderly or disabled to call for help - Simply press either call button to alert the caregiver via the wireless receiver . 24 MONTHS WARRATY: Package Includes:One call button ( CR2032 battery included), one receiver ( AAA batteriesnot included). We ensure 100% Satisfaction and offer a 24-month warranty along with 90-days money back guarantee. Please feel free to contact us if you have any problems about the products. .