Is the led light facing outwards

What you see here faces onto the inside of your window. There are no leds. The outside face has a Doberman security sticker on it. Because the discs are about 3" diameter they are a pretty visible deterent

How long do the batteries last for?

It depends upon how often the device is switch on, location, and the quality of the batteries installed. My 2 devices are permanently on, the batteries have lasted more than 12 months.

Are these left switched on continuosly or supposed to be swtched on only when required eg. when going out, please?

There is a switch on the unit. You stick the device on your door and switch on. If the door is vibrated the alarm will sound. If you want to open the door you would have to switch off the device but the rest of the time it can be left switched on

can one remove the units without damage? Thinking for the future. Thanks

Not tried to remove one yet. I would imagine a window scaper might work but i wouldnt stick to wood or paint

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WER Doberman Security Slim Window Alarm, Loud 100dB Alarm and Vibration Sensors, Modern & Ultra-Thin, Design Compatible with Home, Office, Dorm Room or Even RV (4 Pack)

Product ID: 49559247

Details

Battery description
Alkaline
Brand
WER
Colour
Silberfarben
Power source
Battery
Product dimensions
32L x 134W x

📏Ultra-slim 7cm design

📳Precision vibration sensor

🔊100dB piercing alarm

AR$159512

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Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚨 Stay one step ahead with silent style and loud protection!

INSTANT 100 D B ALERT - Piercing alarm that demands attention and deters intruders immediately.
EFFORTLESS PEEL STICK - No tools, no hassle—secure your space in seconds with superior adhesive.
SLEEK ULTRA THIN PROFILE - Discreet 7cm size fits seamlessly on any window, from home to RV.
SMART VIBRATION DETECTION - Advanced sensor tuned to ignore false alarms from wind or rain.
VERSATILE SECURITY SOLUTION - Perfect for homes, offices, dorms, and even mobile living spaces.

The WER Doberman Security Slim Window Alarm is a modern, ultra-thin 7cm device featuring a powerful 100dB alarm and precision vibration sensors that minimize false alarms. Designed for easy peel-and-stick installation, it’s ideal for securing windows in homes, offices, dorms, and RVs, providing reliable, discreet protection that keeps you safe and confident.

Specifications

ASIN	B01K4G3TZ2
Battery Description	Alkaline
Best Sellers Rank	61,501 in DIY & Tools ( See Top 100 in DIY & Tools ) 66 in Home Security Door & Window Sensors
Brand	WER
Colour	Silberfarben
Control Method	Push Button
Country of Origin	China
Customer Reviews	4.4 4.4 out of 5 stars (524)
Included Components	4 X Doberman
Item Dimensions L x W x H	32L x 134W x 258H millimetres
Item Type Name	WER DOBERMAN SECURITY Ultra-Slim Window Alarm 4 PACK with Loud 100dB Alarm and Vibration Sensors - Modern & Ultra-Thin Design Compatible with Virtually Any Window - Perfect for Home, Office, Dorm Room or Even RVs 4-Packs
Item Weight	50 Grams
Manufacturer	WER
Maximum Range	50 Metres
Model Number	4 X Doberman
Mounting Type	Adhesive
Number of Batteries	3 LR44 batteries required. (included)
Number of Items	4
Number of Packs	4
Part Number	BI-SE-0106-3
Power source	Battery Powered
Sensor Technology	vibration sensor
Sound Level	100 Decibels
UPC	789222196363
Unit Count	1.0 count

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AR$159512

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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