KERUI M521 Wireless Smart Doorbell Welcom Alarm Mode 57 Chimes 80M Remote Home Intelligent Smart Door Bell Easy install Doorbell
Technical Details
| Alarm: | Yes |
| Brand Name: | KERUI |
| Connection Type: | Wireless |
| Display: | None |
| Feature: | Wireless Smart Doorbell |
| Item type: | Wireless Doorbell |
| Itercom: | No |
| Power: | Electric Supply |
| Receive Distance: | 300 meters |
| Receive frequency: | 433MHz |
| Ring Songs: | 57 Music songs |
| Working Power: | 0.5W |
| Working voltage: | 100~240V |
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