NineLeaf Motion Sensor Doorbell,Motion Activated Voice Player,Entrance Welcome Doorbell,95dB Sound,MP3 Support,USB-C Powered,Dual Directional Sensing,Ideal for Home,Store,Office,30PK

NineLeaf Welcome Doorbell Motion Sensor Activated Voice for Shop, Double sided Infrared Detection, Download MP3 Files Freely <br> <br><b>Key Features:</b> <br>Double sided detection,different chimes can be set for entry and exit <br>DIY audio, support to play MP3 audio <br>4 volume levels, up to 95 dB <br>40mm speaker <br>Built-in USB drive for direct audio file downloads from computer <br>Dual power options: 3 AAA batteries or USB-C power <br>Multiple ringtone options available. <br> <br><b>Specifications:</b> <br>Material: ABS <br>Color: White <br>Power Supply: USB-C/3 x AAA batteries (excluded) <br>Audio: Only support MP3 <br>Volume: 4 levels <br>Detection Distance: Maximum 5m <br>Speaker: Built-in 40MM speaker <br>Storage Memory: Built-in 8MB flash memory <br>Operating Temperature:-40°F to +158°F（ -40°C to +70°C） <br>Installation: Screw mounting or adhesive tape options <br> <br><b>Important Notes</b> <br>1. Allow 30 seconds for warm-up after powering on. <br>2. This product does not support hot-swapping. After copying files, use the system USB drive eject function to disconnect before removing the USB-C cable. <br>3. When both AA alkaline batteries and USB-C power are connected, charging will not occur. USB-C power takes priority; during power outages, the device automatically switches to AA alkaline battery power. <br>4. This device is for “indoor use only.” Do not install it in areas exposed to direct sunlight or rain.

• Double sided Infrared Detection：This motion sensor doorbell employs dual-sided infrared detection technology to distinguish entry and exit directions while playing distinct alert tones. With a 16 ft detection range and 10° detection angle, it reliably detects human movement while minimizing false alarms, making it an ideal choice for home and office security.
• Custom MP3 Audio:The motion activated voice player allows uploading MP3 audio via USB-C port, including welcome messages, ads and holiday music. With 8MB storage for multiple clips and 39 built-in ringtones (ready to use without download), it balances convenience and personalization for exclusive sound scenes.
• Multi-Level Volume Control:The welcome doorbell reaches up to 95dB (clear day and night) and supports 4-level adjustment, flexible for indoor space and noise. Equipped with a high-quality speakers, it delivers noise-free sound, ensuring clear perception of prompts or broadcasts.
• Multi-Scene Indoor Use:The sound player entrance welcome doorbell is designed for indoor scenarios like store greeting, office reminder and warehouse warning. It accepts animal repellent or Halloween sounds to expand uses, no wiring needed, and can be quickly deployed out of the box.
• Easy Installation:The motion sensor sound player requires no extra tools or wiring, offering screw fixing (for walls/ceilings) and adhesive pasting (for flat surfaces). One person can finish installation in minutes without professional help.