1. Introduction
This manual provides detailed instructions for the NineLeaf Wireless Motion Detector Doorbell System. This system is designed to enhance security and convenience in various environments, including homes, stores, offices, and care facilities. It features multiple operating modes, adjustable volume, and an expandable design to suit your specific needs.

The NineLeaf system offers versatile applications for different environments.
2. Package Contents
Please check the package to ensure all items are present:
- 2 x Wireless Motion Sensors (Transmitters)
- 2 x Wireless Receivers
- Mounting Hardware (screws, anchors)
- User Manual
Note: AAA batteries for sensors and AA batteries for receivers are not included.
3. Product Overview
Familiarize yourself with the components of your NineLeaf Wireless Motion Detector Doorbell System.

Detailed view of the receiver and motion sensor components.
Motion Sensor Features:
- Infrared Motion Sensor: Detects movement within its range.
- ON/OFF Switch: To power the sensor.
- USB-C Power Interface: For optional external power.
- Base Support/Adjustment: Allows for 180° swivel and 360° rotation for optimal positioning.
Receiver Features:
- ON/OFF Switch: To power the receiver.
- Mode Switch Key: Cycles through Welcome, Doorbell, Alarm, Color Light, and Lighting modes.
- Select Songs Key: Changes the melody/ringtone.
- Volume Key: Adjusts the sound level (4 levels).
- Colorful LED Flashing Indicator: Provides visual alerts.
- Speaker: Emits sound alerts.
- Wall Hanging Hole: For wall mounting.
- Battery Case: For AA battery installation.
- USB-C Power Interface: For optional external power.
4. Setup
4.1. Battery Installation
The motion sensor requires 3 AAA alkaline batteries, and the receiver requires 3 AA alkaline batteries. Alternatively, both units can be powered via a USB-C cable (not included).
- Open the battery compartment on the back of both the sensor and the receiver.
- Insert the correct type and number of batteries, observing polarity (+/-).
- Close the battery compartment securely.

The system supports both battery and USB-C power options.
4.2. Mounting the Motion Sensor
The motion sensor can be mounted on a wall or placed on a flat surface. For optimal detection, consider the following:
- Detection Range: 2-8 meters (7-26 feet).
- Detection Angle: 100° horizontal, 15° vertical.
- Adjustability: Use the base support for 180° swivel and 360° rotation to aim the sensor precisely.
- Choose a suitable location where the sensor can cover the desired detection area.
- Use the provided screws and anchors to securely mount the sensor to a wall, or place it on a stable surface.
- Adjust the sensor's angle using its rotatable base to optimize detection.

Adjust the sensor for optimal detection range and angle.
4.3. Initial Power On
Once batteries are installed or USB-C power is connected, switch both the sensor and receiver to the 'ON' position. The units are pre-programmed for quick setup.
5. Operating Instructions
The NineLeaf system offers 5 distinct operating modes and various customization options.

The receiver offers multiple modes and adjustable volume.
5.1. Changing Modes
Press the Mode Switch Key on the receiver to cycle through the following modes:
- Welcome Mode: Plays a welcome chime (5 selectable chimes available) when motion is detected. Ideal for store entrances.
- Doorbell Mode: Functions as a traditional doorbell, playing a selected melody when motion is detected.
- Alarm Mode: Emits a loud 113 dB alarm for 30 seconds when motion is detected, providing a security alert.
- Color Light Mode: The LED indicator lights up in one of 4 selectable colors without sound.
- Lighting Mode: The LED indicator provides white light for 2 minutes without sound, functioning as a night light.
5.2. Adjusting Volume and Ringtones
- Volume Adjustment: Press the Volume Key to cycle through 4 adjustable volume levels.
- Ringtone Selection: Press the Select Songs Key to choose from 36 available melodies/ringtones.
5.3. Mute Mode and Brightness
In Color Light Mode and Lighting Mode, the receiver operates silently. You can adjust the brightness:

Silent modes offer adjustable brightness and color options.
- Press the Volume Key (which also functions as the brightness key in these modes) to cycle through 4 levels of brightness.
- In Color Light Mode, press the Select Songs Key to choose between 4 selectable LED colors.
6. Expanding the System
The NineLeaf system is expandable, allowing you to add more sensors and remote controls to create a comprehensive security network.

The system offers a wide wireless range and can be expanded.

Expand your system with additional sensors and remote controls.
6.1. Pairing Additional Devices
Each receiver can work with up to 32 motion detectors and 8 remote controls. Follow these steps to pair new devices:
- Ensure the new sensor/remote control is powered on.
- On the receiver, press and hold the Mode Switch Key for approximately 3 seconds until the LED indicator flashes rapidly. This indicates pairing mode.
- Trigger the new sensor (e.g., wave hand in front of it) or press a button on the new remote control.
- The receiver will emit a confirmation sound or flash, indicating successful pairing.
- Repeat for each additional device.
7. Maintenance
7.1. Battery Replacement
When the batteries are low, the system may exhibit reduced performance or a low battery reminder. Replace batteries promptly:
- Motion Sensor: 3 x AAA alkaline batteries.
- Receiver: 3 x AA alkaline batteries.
Always use new, high-quality alkaline batteries for optimal performance and battery life (approximately 7 months).
7.2. Cleaning
Wipe the units with a soft, dry cloth. Do not use abrasive cleaners or immerse in water.
8. Troubleshooting
- No detection/No sound:
- Check if both sensor and receiver are powered on.
- Ensure batteries are correctly installed and not depleted.
- Verify the sensor's detection angle and range.
- Check if the receiver is in a silent mode (Color Light or Lighting Mode).
- Re-pair the sensor and receiver if they lose connection.
- False alarms:
- Adjust the sensor's position to avoid detecting pets, moving curtains, or direct sunlight/heat sources.
- Ensure the sensor is not exposed to strong drafts or vibrations.
- Short wireless range:
- Ensure there are no major obstructions (thick walls, metal objects) between the sensor and receiver.
- Move the receiver closer to the sensor.
- Replace batteries in both units.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | 2Sensor 2Receiver |
| Brand | NineLeaf |
| Power Source (Sensor) | 3 x AAA Alkaline Batteries or USB-C |
| Power Source (Receiver) | 3 x AA Alkaline Batteries or USB-C |
| Maximum Detection Range | 8 Meters (26 feet) |
| Wireless Transmission Range | Up to 280 Meters (open area) |
| Sensor Detection Angle | 100° Horizontal, 15° Vertical |
| Operating Modes | Welcome, Doorbell, Alarm, Color Light, Lighting |
| Volume Levels | 4 adjustable levels (up to 113 dB) |
| Ringtones | 36 selectable melodies |
| Expandability | Up to 32 sensors, 8 remote controls per receiver |
| Operating Temperature | Up to 60°C |
| Frequency | 433.92 MHz |
| Mounting Type | Wall Mount |
| Country of Origin | China |
10. Warranty and Support
NineLeaf products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official NineLeaf website. Keep your purchase receipt as proof of purchase.