Wireless Door Chime, 600ft Range 2 Magnetic Door Alarm Sensor 1 DoorBell Plugin Receiver Set with 62 Tunes 5 Adjustable Volumns for Business/Home/Office/Stores,STECHRO (1 Receiver+2 Sensors)

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• 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 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”,” the box”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 for further use.
• EASY TO INSTALL: the doorbell chime kits have been paired before leaving the factory. just plug receive in an outlet, remove the sensor insulator, you can either use the double sides adhesive tape to stick or use the screw mounted to install on the door or window.
• 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 been triggered)
• OVER 1-YEAR QUALITY ASSURANCE: items we offer 12 months replacements service, any defective parts just contact us for free replacements and we provide 30 days money back,24 hours customer service to reach your 100% satisfaction.