Motion Sensor Doorbell, 120 Degree Pir, 500mAh Battery

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About this item

• [SMART ENTRY ALERT] Detects movement within 3 to 4 m using a 120° PIR sensor and plays a sound within about one second. It helps welcome visitors and notify staff in shops homes stores and hotel entryways.
• [RECHARGEABLE CONVENIENCE] The built in 500mAh lithium ion battery works without a constant power connection. A full charge takes about 2 hours and may last 1 to 3 months depending on visitor traffic and alert volume.
• [VERSATILE ] Choose an English welcome message ding dong reminder bird chirping or dog barking to create a friendly greeting or a clear arrival notification for retail counters entrances and reception areas.
• [PERSONALIZED VOICE] Record a custom message up to 20 seconds and it whenever motion is detected. Simple controls let you add instructions greetings or staff reminders that match your business or household.
• [QUICK FLEXIBLE INSTALLATION] Use the adhesive backing or magnetic attachment on the rear or side to place the unit on walls counters doors or other smooth surfaces. Move or reposition it easily as your layout changes.