Sell Wireless digital induction doorbell and alarm

Description

High technology infrared sensor, can be used as door chime and alarm.
Brand-new **-chord music, perfect music showing.
*2 music optional, adjustable volume.
With flashing blue light.
**0m effective range (no obstacles) as a door chime.
Inductive range as an alarm: 6 to 8 meters.
New style digital induction doorbell series, with micro computer system inside.
Adopts advanced digital technology, together with digital temperature compensation and anti interference technology and more, thus it can detect the human beings movement conditions effectively in different circumstance.
Wireless digital induction doorbell series use the cutting edge wireless communication technology, the digital energy saving system.
Which makes it has the features of low power consumption, anti interference, and lower repeatable codes rate.