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.