

Ultra-long range wireless connection, never let you miss a visitor!

IP55 dustproof and waterproof, you can use it even in cold winter!
Welcome to purchase SURFOU's wireless doorbell set!
With multiple functions, life is more convenient!

Memory function & Unlimited scalability
With multiple learning codes, it can be used in combination with other doorbell sets to infinitely expand the use area!

LED Flashing Light
Designed specifically for people with hearing impairments, it is more convenient to use!
Designed for home/classroom/office, easy installation!
How to set the ringtone?
1. Short Press the Backward or Forward Button to select your favorite music. 2. Long Press the Volume Button for 8s, until it makes a One Ding sound with LED flash. 3. Press the button within 8s, then it will make a Two Ding sound with LED flash.
How to change the battery?
Replacing the transmitter battery is a very simple procedure. Simply insert the small screwdriver supplied through the small opening at the bottom of the transmitter in a 45° and pry it open.
How do you adjust the volume?
Press the volume button on the receiver to adjust volume, there are 5 levels in total, the default is the maximum sound, press once to change one level cycle in turn.
Are these doorbells waterproof?
Normally, water resistance is no problem at all.IP55 dust proof and waterproof protection. Working temperature:-22 °F -158°F.
Is this doorbell easy to install?
There are two simple installation methods:
Method 1. stick the button on the exterior wall or door frame with the attached double-sided tape.
Method 2. fix the button with the provided screws.

Ultra-long range wireless connection, never let you miss a visitor!

IP55 dustproof and waterproof, you can use it even in cold winter!
Welcome to purchase SURFOU's wireless doorbell set!
With multiple functions, life is more convenient!

Memory function & Unlimited scalability
With multiple learning codes, it can be used in combination with other doorbell sets to infinitely expand the use area!

LED Flashing Light
Designed specifically for people with hearing impairments, it is more convenient to use!
Designed for home/classroom/office, easy installation!
How to set the ringtone?
1. Short Press the Backward or Forward Button to select your favorite music. 2. Long Press the Volume Button for 8s, until it makes a One Ding sound with LED flash. 3. Press the button within 8s, then it will make a Two Ding sound with LED flash.
How to change the battery?
Replacing the transmitter battery is a very simple procedure. Simply insert the small screwdriver supplied through the small opening at the bottom of the transmitter in a 45° and pry it open.
How do you adjust the volume?
Press the volume button on the receiver to adjust volume, there are 5 levels in total, the default is the maximum sound, press once to change one level cycle in turn.
Are these doorbells waterproof?
Normally, water resistance is no problem at all.IP55 dust proof and waterproof protection. Working temperature:-22 °F -158°F.
Is this doorbell easy to install?
There are two simple installation methods:
Method 1. stick the button on the exterior wall or door frame with the attached double-sided tape.
Method 2. fix the button with the provided screws.











































