We want to install alarms in a vacation rental. Will these damage the walls/windows when removed after a week?

The ones I gor today actually did come standard with 3M double sided tape and it sticks great. Dont know if it will damage after being on a few weeks but ai was able to pull it off the wall after about 30 min and no damage.

I can see they have buttons/switches, are they easy for young children to mess with?

We use this on our son's door. We have it up high where he can't reach it. the sliding button is very tiny and I'm sure they could mess with it if it were in their reach. I had my husband mount it as high as he could. I stood with my arm up so I could reach it cuz I'm shorter than him, lol. My son doesn't touch it out of fear of hearing the noise go off. If the door is open (connection broken) and you turn it on it will chime or "bong" continually until the door is closed. Once my son heard the loud noises he doesn't go near it, lol, plus it's too high anyway. They're cheap enough to give it a whirl for you, but works like a charm for us! We showed our son, "If you open this door, this is what will happen!" and let it go off.

Can this alarm be installed on sliding doors?

Since sliding doors design vary based upon manufacturer it's hard to accurately answer this request. However, if you can adhere both items of this product side by side - one being stationary, the other being the movable piece, then it will work just fine. In other words, when the sliding door is in the closed position, you must be able to install this product in such a way that when the door is opened, the two pieces "break contact" with one another thereby sounding the very loud and high-pitched alarm. Hope this helps.

I found the chime setting extremely loud. is there another product that has a little more bearable chime sound?

Gab, unfortunately the chime sound is around 90 decibels and there is no way to lower that volume. As for any other products that the chime is a lower volume there isn't any that we manufacture. Jasco Products Tech Support (Manufacturer)

Battery Description	Alkaline
Number of Batteries	20 LR44 batteries required. (included)
Voltage	6 Volts
Control Method	App, Touch
Noise Level	120 Decibels
Mounting Type	Door Mount
Sensor Technology	Contact Sensor
UPC	030878459877
Global Trade Identification Number	00030878459877
Size	5 Pack
Manufacturer	Jasco Products Company, LLC
Part Number	45987
Item Weight	3.21 ounces
Product Dimensions	5.5 x 5 x 4.75 inches
Item model number	45987
Batteries	20 LR44 batteries required. (included)
Is Discontinued By Manufacturer	No
Style	5 Pack
Material	Plastic
Pattern	Alarm
Item Package Quantity	1
Included Components	Five Window/Door Alarms
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Description Pile	Alkaline
Warranty Description	limited lifetime warranty

GE Personal Security Window and Door Alarm, 5 Pack, DIY Protection, Burglar Alert, Wireless Chime/Alarm, Easy Installation, Home Security, Ideal for Home, Garage, Apartment and More,White, 45987

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