Wireless Motion Sensor Doorbell Chime Alarm for Store, Office, Home Entrance Security

Introducing the SF23 Indoor Passive Infrared Detector, a versatile solution designed to enhance your home or business environment with ease and peace of mind. Whether you need a welcoming doorbell, a security alarm, or convenient night lighting, this multi-functional device is your go-to choice.

With an 8-chord high-definition voice and a selection of 6 welcome sounds as well as 35 doorbell melodies, you can customize your auditory notifications according to your preference. Choose between powering the detector with 3 AAA alkaline batteries or a 5V Micro USB power source (not included), reducing the hassle of frequent battery changes.

Key Features:

- Multi-Mode Functionality:
- Welcome/Doorbell Mode: Automatically greets customers during the day, enhancing store ambiance and alerting staff.
- Alarm Mode: Provides a theft deterrent at night with a 30-second alarm sound when triggered.
- Night Light Mode: Lights up with a blue hue for 2 minutes upon detection, ideal for safe nighttime movement.

- User-Friendly Operation:
- Simple power up by inserting batteries or connecting via USB.
- Easily switch modes using the [M] button for quick customization.

- Installation Tips:
- Recommended for ceiling or side wall mounting at entry points using screws for stability.
- Avoid areas exposed to sunlight or rain for optimal sensor performance.

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- Sensing Range: 2-8 meters
- Sensing Angle: 100° horizontal, 15° vertical
- Volume Control: Adjustable up to 98dB with 4 levels
- Environment Compatibility: Works in temperatures from -10℃ to +33℃, humidity <80%

Enhance security and convenience with the SF23 Infrared Detector, an excellent choice for homes, offices, shops, hotels, and more.