KERUI M521 Smart Home Doorbell Wireless Security Interphone System 57 Chime 100m Remote Control With Battery Powerd Door

M521 Smart Home Doorbell Welcome Wireless Doorbell Interphone System

Strongly Recommended

This doorbell has a novel design, crisp ringtones, up to 57 music tracks to choose from, 4 levels of volume adjustable, the main unit has a memory function, the doorbell prompt tone for each startup is set when the doorbell is turned off for the last time,the host can set the doorbell button to play the fixed door ring tone.
The doorbell host and the doorbell button can be coded wirelessly. Suitable for villas, clubs, leisure centers, hotels, guesthouses, families, office buildings, conference rooms and other occasions.

57 Ringtones Available,4 levels Adjustable Volume

Different places use different ringtones, or different times use different ringtones, and have good mood every day.

Different Song Use For Different Mode

You can set different music for different environments at the same time.
57 Music Songs optional.a variety of combinations each button can set different ringtones.

Wide Range And Long Distance

1.Stable quality is ideal for villas, hotels, schools and other areas.
2.The wireless signal will be affected by obstacles. The more obstacles, the more serious the signal loss.
3. Warm tip:The button cannot be placed on an iron door because it will interfere with the signal.

Strong Penetrating Power

High-frequency transmission technology, partition wall can also transmit signals to meet household needs without worrying about not ringing the doorbell.up to 100m distance transmission,No longer afraid of not hearing the doorbell.

Multiple Collocation

You can choose different packages according to your family type.

Easy To Install

Step 1: Remove the double-sided adhesive tape and stick it on the back of the button, then stick the button on the wall.
Step 2: Plug the doorbell host into the socket

Product Detail