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SOS Wireless Emergency Button By Remote Control For Elderly People 433MHz Smart Alarm Sensor For Security Home Alarm System
Specifications:
- Wireless frequency: 433MHz
- Transmission distance: 70-100M
- Origin: CN(Origin)
- Operating voltage: 4.5V
- Model Number: E8
- Material: ABS
- Brand Name: KERUI
- Free shipping
- 100 days returns
- Low prices
- 5 million products