The BBL Wireless Chime Entrance Alert is a practical and reliable solution for monitoring entrances in shops, offices, homes, and reception areas. Using optical-induction technology, the unit detects movement and instantly plays a pleasant chime to alert you when someone enters—helping you improve customer service and security awareness.
Designed for easy installation and battery operation, this wireless entrance alert is ideal for indoor use where quick, audible notification is required without complex wiring.
Key Features
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Optical-induction motion detection
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Instant audible chime when someone approaches or passes
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Selectable melody function
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Wireless, battery-powered operation
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Compact and discreet design
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Ideal for shops, offices, receptions, and indoor entrances
Technical Specifications
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Model: BBF-W9811A
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Working Voltage: DC 4.5V (3 × AA batteries)(Not Included)
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Working Current: 180mA
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Standby Current: <200μA
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Sound Volume: 85dB (at 30cm)
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Detection Distance: Up to 6m (depending on lighting conditions)
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Operating Light Requirement: ≥20 Lux
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Installation Height: ±1.2m recommended
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Application: Indoor use only
Installation Notes
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Install opposite to direct light sources for optimal detection
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Avoid areas with rapidly changing or very low light levels
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Not suitable for outdoor or open-air installations
The BBL BBF-W9811A Wireless Entrance Alert is a simple, cost-effective way to stay aware of customer movement and enhance security at any indoor entrance.