Wireless Split Infrared Sensor Supermarket Welcome Doorbell by ORIWHIZ

Get the Wireless Infrared Sensor Split Supermarket Welcome Doorbell for just $16.37 from ORIWHIZ.

• Construction: Robust ABS housing
• Sensors: Infrared (detects presence, triggers alert), Vibration (detects ambient vibrations, issues alert), Door sensor (alerts on magnetic strip separation, ideal for shops with frequently closed glass doors)
• Power: Main unit - three AA batteries/USB 5.0V adapter; Sensor - three AAA batteries/USB 5.0V adapter (batteries not included)
• Frequency: Transmitter and receiver - 433MHz (less interference than 315MHz)
• Receiver Lifespan: 5-7 months (based on 30 daily beeps)
• Infrared Curtain Lifespan: 5-7 months (based on 30 daily detections)
• Customer Detection: Receives welcoming tone upon passing detection zone, enhancing shopping environment and alerting staff
• After-Hours Use: Burglar alarm with high-volume speaker (up to 113dB)
• Audio Features: Custom 8-chord music chip, 40mm speaker, 36 changeable doorbell tones
• Visual Indicator: Colored light reminder mode for quiet environments, with adjustable brightness
• Detection Range: Horizontal - 100 degrees, Vertical - 15 degrees, Sensing - 2-8 meters (affected by temperature and installation angle)
• Signal Range: Up to 280 meters in open areas, with built-in wireless loop antenna
• Receiver Dimensions: 70x40x116mm
• Infrared Curtain Dimensions: 82x45x74mm
• Usage Note: Indoor use only, avoid direct sunlight, rain, high humidity, and interference sources