STECHRO Wireless Door Chime, 600Ft Range 5 Adjustable Volume 1 Magnetic Door open Contact Alarm with 62 Chimes Mute Mode Door Bell Plugin Receiver for Home/Office/Store (Black)

WIDE DETECT RANGE: up to 600 feet door/window open chime kit, completely cover your ideal detection range when you use it on your house or store, it will alarm immediately when the chime sensor separate over 0.4inch, so notes that the door sensor chime should be installed within 0.4inch gab.
UP TO 62 RINGTONES CHOICE: it includes the pop songs in us, like” sugar”,” Billie Jean”,doorbell Dingdong ,Dog Barking etc., just chose your favorite one by the doorbell ring receiver,the led will flash when the music alarm, the ring volume has 5 levels to meet your needs at different time&places. smart memory: the door alarm receiver will keep the previous setting while plug in again.
20 DOORCHIME SENSOR EXPANDABLE: either the receiver can be paired up to 20 chime sensors, or 1 door sensors can be paired up to 20 receivers.It is an adorable choice setting for the kids’ door, pets’ gate, roof window. (by adding new sensors, you can also pair different ringtone to each sensor, so that you can realize exactly which door is triggered)