Call Bells Features: Color white Volume: 60 (dB) Working voltage: 4.5 (V) Size: pager: 4.2 * 8.5 * 1.5cm Receiver: 4.8 * 12.7 * 2.7 cm Packing list: 1 * pager, 1 * recipient COMFORTABLE SMART CAREGIVER RECEIVER - The call button system is easy to set up and allows the resident, caregiver, nurse, therapist, spa worker, etc. to call for help when help is needed MULTIPLE ALARM OPTIONS & BRIGHT ALARM LIGHT: 1. Sound + Light, 2. Sound only, 3. Light only - Bright LED warning light is ideal for people with hearing impairments - System area of up to 500ft in open area - 32 melody / alarm tones to choose from (23 melody and 9 emergency alarms), 3 volume controls, and use 16-bit coding to eliminate interference from other devices PAIR TO CALL BUTTONS WITH RECEIVER - One call button, one receiver (or several receivers), call button can be carried as a pendant, carried on the bag or placed on the bed - Call button is water-repellent - Receiver can be wall-mounted, nearby placed by the supervisor or carried in the pocket SYSTEM RANGE FROM UP TO 500+ FT: Easy to use two call buttons alarm / alarm system for patients and caregivers - Ideal emergency alarm for elderly or disabled people to call for help - Just press one of the two call buttons to call the caregiver via the wireless receiver alert Package includes: a call button (CR2032 battery included), a receiver (AAA batteries not included). Note: We send according to the color of the first picture and the quantity of the title. If the title is not written, follow the content in the description.