Sensor Doorbell Greeting Store Doorbells Wireless 10m Warning with Music, Voice for Market, Closer to Lives of Consumers, Shops, Factories, Home Various Occasions

Specifications:
Power supply : DC 9V
Detection range: 5- 10 m
Sound pressure : 95db ± 5db
Induction method : infrared sensor triggered
Boot delay: 10 seconds
Single standard configuration: alarm host 1, 1 Bracket
Ambient temperature / humidity :. -25 Â -55 Â 5% -95% RH
Measuring angle / range: 60 ° fan angle of 110 °
The main function: Automatic body sensing , ultra-long , wide-angle detection. Adjustable direction (with stand). Host built-in speakers, alarm loudness of 75-95 decibels.
Installation : No need professional personnel, easy to install yourself
Music: 32 music and vocals optional
Size: Height 8.5 Width 8.5 cm , thickness 3.5 cm ( with base - base can be flat or fixed on top )
Battery: 3 x AAA / 1.5V batteries (batteries are not included)

Installation and use:
The bracket screwed to the location where you want to install.
The battery cover on the back door in the direction of the arrow pushed , into three sections AAA1.5V battery ( Alkaline batteries are recommended ) , replace the battery cover.
The doorbell switch to the side of the voice files or music files , press the black button to select your choice of music favorite music .
The doorbell installed by a bayonet on the stand , when a visitor enters , electronic welcoming doorbell will issue before you choose a good sound .

Package includes:
1 x Welcome doorbell
1 x Sticker