Motion Detector 4-in-1 Welcome Doorbell Alarm PIR Motion Sensor

Features: *This is a device with 4-in-1 multi-function:welcome/doorbell/alarm/PIR motion sensor,it can satisfy your different needs in your daily life. *Welcome guests mode:In this mode,6 pieces of music optional for you,a good helper for shop keeper to welcome guests during the day time.When the customer passes through the infrared detection area,it will send out a greeting tone to create a friendly atmosphere to your customer and at the same time reminding the clerk someone is coming. *Doorbell mode:Big horn with good voice,35 doorbell music can be chosen. *Alarm mode:It is also a good guard against theft at night,which let you feel more secure and reliable.When the shop is closed,it can be used as an alarm reminder,it will alarm for 30 seconds and the lighting effect is flashing when the detector is triggered. *PIR motion sensor mode:when the infrared induction is triggered,flash for 30 seconds;single color light will be on 2 minutes,letting you feel safe at night. *It can also be a Discounted at only: US$ 24.97