Wireless Door Bell Caregiver Pager Plug-in Receiver Patient Call Button Help System Nurse Alert System for Elderly Hospice Home Personal Attention

1. Range in open air: 400 meters

2. 52 varied style of tunes for optional

3. 4 levels adjustable volume

4. Transmitter and receiver can be paired freely

5. Receiver working voltage: 90-260V, Standby current: 7mA, Working current: 60mA, Working Frequency: 433MHZ

6. Transmitter working voltage: 12V 12V23A*1pcs

7. Working Frequency: 433MHZ

8. Standby current: 1pA, Working current: 12mA 

9. American, European,UK Plug available

10. Size: 72*72*18mm