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HENDUN Wireless Home Security burglar alarm, Magnetic Sensor Door Window Alarm, Super Loud 110dB, Pool Door Alarm for Kids Pack of 4

Q: Can someone please explain how to use the chime or doorbell mode? No matter what I do I can’t get them to set right.

The description may not be very clear. But it's really switchable. Let me give you more details. Push the switch in the OFF position (down), open the batteries box, take out the battery, reload the batteries, and cover the batteries cover. PUT THE MAGNET CLOSE TO THE HOST. Push the switch to ON position (up), then you will hear the first sound (default mode), which is alarm mode. Within 3 seconds, when you push the switch from OFF to ON, you will hear the second sound-continuous alarm mode; Within 3 seconds, when you push the switch from OFF to ON, you will hear the third sound-reminding closing mode; Within 3 seconds, when you push the switch from OFF to ON, you will hear the fourth sound-the doorbell mode. At this time, separate the small magnet, will emit a doorbell sound. After the mode has been set, if the switch is switched on to OFF again, the sound mode will be restored to the default alarm mode. In order to change the sound mode, it needs to be reset according to the above method.

Q: Are these packaged separate?

Yes, there are four separate packages.

Q: Our freezer door was left open again. would this work to let us know it was left open. can i turn it off when i need to get into the freezer?

If you turn it off to open the freezer and don’t turn it back on it won’t help remind you to close it. If you choose to keep it on it will make a sound (dependent on the setting you have it on) until the door is shut again.

Q: can we get new batteries after it stop working?

Thank you for your question. When the product arrives, three AG13(LR44) batteries are combined. It's not a special battery. this is it, https://www.amazon.com//dp/B07Q16ZPFC . When you need to replace the batteries, you only need to put in three separate batteries. I hope the above can help you.

Product ID: 393970396

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Details

Color
White
Brand
HENDUN
Power Source
Battery
Compatible Devices
Home Security
Product Dimensions
1.97"L x x

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Description

HENDUN Wireless Home Security burglar alarm, Magnetic Sensor Door Window Alarm, Super Loud 110dB, Pool Door Alarm for Kids Pack of 4

Specifications

Battery Description	Alkaline
Number of Batteries	3 LR44 batteries required. (included)
Voltage	4.5 Volts
Control Method	Touch
Noise Level	110 dB
Mounting Type	self-adhesive
Sensor Technology	Contact Sensor
UPC	664248632432
Manufacturer	Changzhou Hengdun Electronic Technology Co Ltd
Part Number	SF19
Item Weight	1.25 ounces
Product Dimensions	1.97 x 1.57 x 0.59 inches
Item model number	SF19
Batteries	3 LR44 batteries required. (included)
Is Discontinued By Manufacturer	No
Size	small
Shape	Square
Installation Method	Self-Adhesive
Item Package Quantity	1
Switch Style	Slide switch
Special Features	Easy to Install
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Description Pile	Alkaline

Have a Question? See What Others Asked

Can someone please explain how to use the chime or doorbell mode? No matter what I do I can’t get them to set right.

Are these packaged separate?

Our freezer door was left open again. would this work to let us know it was left open. can i turn it off when i need to get into the freezer?

can we get new batteries after it stop working?

Common Questions

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