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Adjustable Smart Ring Alarm Wireless WiFi Indoor 52 ringtones Doorbell Receiver Adjustable Volume for Home Security
Specifications:
- Volume: 20~80dB
- Type: Doorbells
- Power Voltage: 110V-220V
- Model Number: 201910275
- Doorbell Type: Wireless
- Free shipping
- 100 days returns
- Low prices
- 5 million products