Fuers M557 Wireless Doorbell 433Mhz Home Welcome Smart Doorbell 150M Long Wireless Distance 32 Songs Home Welcome Door Chimes

Introducing the Fuers M557 Wireless Doorbell, a versatile and reliable solution for enhancing the security and convenience of your home or office. With advanced features and easy installation, this smart doorbell offers peace of mind and functionality.

Product Features:

1. Smart Wireless Operation: Simply press the button, and the doorbell instantly receives the signal, delivering sweet tunes to alert you of visitors.

2. Infrared Detector Welcome Mode: When motion is detected by the infrared sensor, the doorbell emits a welcoming sound, ideal for greeting guests.

3. Door Sensor Alarm Mode: Equipped with a door sensor, the doorbell alarms when a door or window is opened, enhancing security.

4. Long Transmission Range: Enjoy a wireless operating range of up to 150 meters (500ft) in open spaces, perfect for homes, villas, shops, and offices.

5. Customizable Sound: Choose from 32 different tunes and adjust the volume to four levels to suit your preferences and environment.

6. Expandable System: Pair one transmitter with multiple receivers (up to 30), or one receiver with multiple transmitters (up to 30), allowing for customizable setups.

7. Easy Installation: No need for complicated wiring or drilling holes. Simply plug the receiver into a power socket and attach the transmitter to the door.

Technical Parameters:

• Operating Voltage: AC 100-220V
• Working Current: <100mA
• Wireless Frequency: 433MHz
• Operating Temperature: -10°C to 50°C
• Wireless Distance: 150 meters (in open space)

Battery Information:

• Doorbell Button: Requires 1 x 12V 23A battery or 1 x CR2032 battery (not included)
• Door Sensor: Requires 1 x 12V 23A battery (not included)
• PIR Motion Detector: Requires 2 x AAA batteries (not included)

Product Details:

1. Battery Installation: Please install the batteries in the doorbell button upon receiving the product. Note that batteries are not included in the shipment.
2. Pairing Instructions: Press and hold the "music" and "volume" keys on the receiver simultaneously. Once the LED light is on, press the doorbell button to pair it with the receiver. Use the "volume" key to complete the learning process.

Upgrade your home or office security with the Fuers M557 Wireless Doorbell, offering advanced features and customizable options for your convenience and peace of mind.