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

Features and Specifications:
• 38 ringtones to choose from and 3-level volume control (0~85dB)
• When someone rings the doorbell, the prominent backlight flashes. Especially suitable for the elderly, the deaf and pregnant women
• If multiple button units are paired in a system, the ringtone can be set individually for each button unit
• Uses machine learning to prevent interference from other wireless transmitters
• Automatically save selected ringtones after shutdown
• Designed to last up to 25 years
• Operating frequency: 433 MHz
• Receiving distance: 300M (open ground)
• Transmitter dimensions: 75 x 51 x 20 mm Receiver dimensions: 95 x 65 x 24 mm
• Receiver rated voltage: AC 110V-220V -240V
• Transmitter factory pre-installed 12V23A battery (battery not included)
remind:
1. The button cannot be placed on the iron door, it will interfere with the signal.
2. Work during heavy rain. However, we recommend that you purchase a waterproof cover for long-term use.
exhibit:
The striking backlight flashes when someone rings the doorbell.
Especially suitable for the elderly, pregnant women, deaf and dumb people.
300 meters receiving distance (open area)
With stable quality, it is an ideal choice for villas, hotels, schools and other fields.
The wireless signal can be affected by obstacles. The more obstacles, the more serious the loss of signal.
38 ringtones to choose from and 3-level volume control (0~85dB)
Loud enough to be heard anywhere in the home
IP44 waterproof and dustproof
It is recommended to use the waterproof cover for a long time in heavy rain
High quality ABS material
1 volume key. 2 music buttons
Wide selection of plugs for most countries (AC 110V-220V-240V)
1. EU plug 2.UKplug adapter 3.USplug adapter 4. AU Plug Adapter
Two fixed buttons
1. Double-sided tape 2. Screw fixing