• 38 ringtones to choose from and 3-step volume control (0~85dB)
• Eye-catching backlight flashes when someone pushes the doorbell. Particularly suitable for the elderly, deaf, and pregnant women
• Uses machine-learning to prevent interference from other wireless transmitters
• Designed to last up to 25 years
• Working frequency: 433 MHz
• Receiving distance: 300M(in open area)
• Transmitter size: 75 x 51 x 20 mm Receiver size: 95 x 65 x 24 mm
• Receivers Rated voltage: AC 110V-220V -240V
• The transmitter 12V23A battery factory pre-installed (battery not included)

Reminders:

1. The button cannot be placed on an iron door because it will interfere with the signal.
2. Works during heavy rainfall. However, we recommend buying a waterproof cover for long-term use.

Showcase:

Eye-catching backlight flashes when someone pushes the doorbell.
Particularly suitable for the elderly, pregnant women, and the deaf.

300-meter receiving distance (In the open area)
Stable quality is ideal for villas, hotels, schools, and other areas.
The wireless signal will be affected by obstacles. The more obstacles, the more serious the signal loss.

38 ringtones to choose from and 3-step volume control (0~85dB)
Loud enough to be heard anywhere in your home

IP44 Waterproof and dust-proof
Waterproof cover is recommended for extended use in heavy rain

High-quality ABS material
1 volume button. 2 music button

A variety of plug options, suitable for most countries (AC 110V-220V -240V)
1. EU plug 2. UK plug adapter 3.US plug adapter 4. AU plug adapter

Two kinds of fixed buttons
1. Double-sided adhesive 2. Screws fixed

Package Content:

Bundle A(no battery): one Black transmitter and one Black receiver
Bundle B(no battery): two Black transmitter and one Black receiver
Bundle C(no battery): two Black transmitter and two Black receiver
Bundle D(no battery): one Black transmitter and two Black receiver