Wireless Doorbell M523 With F52 Touch Button Strong Signal

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Kerui M523 Doorbell's latest from Kerui has some advantages:
-Waterproof Button
-Voice/ringtone Volume can be adjusted 4 levels
-Ringtone Can be adjusted differently each button
-Signal Wireless to 100m
-Newest Model
6. 32 Ringtones/ Song
-Doorbell Alarm at once welcome alarm
-Full Colour LEDs that are attractive

Consists of:
Package according to image in the package
1 bh Original box
Kerui M523 receiver + F52 (including battery)
1 bh double tape / srew