The doorbellisminisize &portable,easyinstallwithcompletedaccessories. 35melodieschangedasyoulikefordiverseneeded, 5levelsadjustablevolume. Informsyouforcomingvisitors. Whatareyouwaitingfor? Justcomeandbuy.

Features:
Simple & compactdesign,minisize &lightweight,easyinstallationwithcompletedaccessories.
Sensitive touching design, user-friendly.
35melodieschangedasyoulikefordiverseneeded, 5levelsadjustablevolume, flash light for imforming and up to 656 feet long transmission distance, nice experience.
Built-in superb stereo speaker, clear & loud sound for informing you.
Made of well quality ABS material, endurable, you just need to plug and play, simple operation.
Portable in size and weight, convenient to install and remove.

Specifications:
Input voltage: A C 85-240 V
Rated consumption: 3-5 W
Rated frequency: 433MHZ
Audio: Support (Built-in speaker)
Melodies: 35
Volume adjustment: 5 Levels
Transmission distance: 200 meters/656 feet
Material: ABS
Plug: 2 (Optional)
Pacakge Weight: 100g/3.5ounces
Pacakge Size: 95*90*60mm/3.7*3.5*2.4inches(Length * Width * Height)

Notes:
The batterys are not included.

PackingList:
1 Set*doorbell
1 Bag* accessories
1*Back tape
1*Screw driver