IR Infrared Motion Sensor, Activated Voice Welcome Doorbell, Dingdong 16 Music Alarm Sound Door Bell Entry Alarm for Shop Store,Home with Built in Speaker

IR Infrared Motion Sensor, Activated Voice Welcome Doorbell, Dingdong 16 Music Alarm Sound Door Bell Entry Alarm for Shop Store,Home with Built in Speaker

• PLUGGABLE WELCOME SENSOR The detector is super sensitive , not reporting false alarms. It can plug in or use battery.Pluggable Infrared sensor welcomer.
• INFRARED SENSOR WELCOMER Fully automatic infrared sensing , with strong sensitivity , can not be affected by light. So the doorbell can be sensed during day and night.Remote detection can reach to 0 6 meters , and the available temperature is 0 25 degrees.
• WELCOME DEVICE WITH ADJUSTABLE STAND The swivel bracket makes it easier to adjust the monitoring angle. You can place it anywhere or fix it on the wall.Widely suitable for shops , warehouses , office buildings , factories , and homes.
• BUILT IN LOUDLY SPEAKER WELCOMER The built in speaker of the host has a welcome loudness of 85±5 decibels , which is the loudest in the welcome family.Powered by 3 AA batteries , it is energy saving and in use. (This unit does not include batteries).
• 2-LEVEL MULTI-MUSIC WELCOMER- 16 music infrared welcomes(available in day and night) has two levels. The first level is welcome, and the second is dingdong & 16 music & alarm sound (adjustable).