Linptech Wireless Doorbell G4, Home Use, No Battery Required, Self-Powered, No Wiring Needed, Waterproof, Elderly Call Button, One-To

Innovative Technology

• Self-power generation technology with patented invention
• 10 years of technological research and development
• Invention patent certificate

Technical Details

Additional Features

• Automatic differentiation between front and back doors
• Customizable trigger ring tones for different transmitters
• High volume up to 105dB with 4 levels of volume selection
• Waterproof and flame retardant
• Supports multiple locations and signal stability

Usage Recommendations

• Keep receiver away from high electromagnetic radiation appliances
• Actual remote control distance may vary due to environmental factors

Package Options

• One-to-one, one-to-two, two-to-one configurations available
• Suitable for various household sizes and layouts

Ease of Use

• Simple installation with tear-and-stick process
• Quick pairing with learning mode for transmitters and receivers

Warranty and Support

• 5-year quality guarantee
• Dedicated customer support for installation and troubleshooting

Additional details

MATTERS NEEDING ATTENTION

• The transmitter is not recommended to be installed on metal doors as it may weaken the signal distance.
• The receiver should be kept away from high electromagnetic radiation appliances such as TVs, computers, etc.
• The actual signal transmission distance may vary depending on the specific usage environment, obstacles may shorten the transmission distance.
• Certificate and testing report: CERTIFICATE, TEST REPORT.

Transmitter and Receiver

• The transmitter, also known as the outdoor unit, is the button we usually press to ring the doorbell.
• The receiver, also known as the indoor unit, is placed inside the house to receive the signal and ring the bell.

Installation of Transmitter

• The transmitter should not be installed on metal doors (such as security doors, iron doors) as metal can block the signal.
• It is recommended to install the transmitter on the wall next to the door or on a glass door.

Signal Relay

• One-to-two means one transmitter controls two receivers, two-to-one means two transmitters control one receiver, and one-to-three means one transmitter controls three receivers.
• Signal relay can be used between the transmitter and receiver to extend the wireless distance, especially for large houses or longer distances.

Invoicing

• Invoices are defaulted to electronic invoices in the Jingdong system.
• If you require a paper invoice, you can download and print the electronic invoice yourself, or choose to issue a regular invoice/value-added tax invoice when placing an order. The paper invoice will be delivered to you along with the goods in this case.