Intelligent PIR Sensor Welcome Alarm Greeting Warning Doorbell with Adjustable Volume 

Features:

This product is the electric induction welcome device.

No key operation mode, it is a plug and play type design.

Volume is adjustable.

With standby sleep mode, it is effective to save energy.

The outward appearance is exquisite with small size.

It needs 3 x AA 1.5 V battery (Without battery).

When a customer walk by,welcome device will sound automaticly(audio source has a variety of optional).

The PIR control distance for3 to 8m.

Suggested use in the place with enough light, when the sound becomes weak please replace the battery.

Specifications:

Color : White

Dimension:9 x 6.5 x 3.5cm

Package Weight: 120 g

Package Size: 13*16*4 cm

Package including:

1 x Intelligent Sensor Greeting Warning Doorbell

1 x Mounting Bracket