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Kerui Manufacturer 433MHZ Wireless Waterproof Doorbell EU US UK Plug Home Ring Door Bell

Features:
●32 songs optional 
●4 volume levels adjustable 
●Memory function 
●Colorful indicator light
 
Specifications:
●Working voltage: 100~240V 50~60Hz AC 
●Working current: 2mA/220v 
●Frequency：433MHz
 ●Wireless distance: 150m (open area) 
●Doorbell receiver can support up to 20pcs buttons
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  • KR-520+F55

  • KERUI

Products Description
Features:
●32 songs optional ●4 volume levels adjustable ●Memory function ●Colorful indicator light
Specifications:●Working voltage: 100~240V 50~60Hz AC ●Working current: 2 mA/220v●Frequency：433MHz ●Wireless distance: 100m (open area) ●Doorbell receiver can support up to 20pcs buttons

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Smart home technology is playing an increasingly important role in home security. By connecting sensors, cameras, alarm systems and other devices to the Internet,  KERUI smart home system provides a comprehensive, intelligent home security solution
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