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SanJieDoor Window Alarm 5 PCS Home Security Magnetic Sensor 120DB Alert for Home Business Kids

SanJieDoor Window Alarm 5 PCS Home Security Magnetic Sensor 120DB Alert for Home Business Kids

Q: Are the alarms easy to install?

YES. Just remove the 3M double-sided tape and ensure the gap between the alarm does not exceed 0.4in.The arrows of the alarm are aligned with each other.

Q: How long do the batteries typically last?

The batteries are already built into the alarm. 1 Alarm Pack for 3*LR44 batteries and will last 12 months normally.

Q: Can the volume of the alarm be adjusted?

YES. The alarm has 3 modes, Mode 1: 125dB alarm, Mode 2: 100dB alarm, Mode 3: 100dB “ding dong” 2 times. The alarm maximum sound loud enough to deter intruders.

Q: Are the alarms suitable for use on sliding doors or windows?

YES. Alarms are generally available for sliding doors/windows. For best performance, make sure the alarm is mounted in a position that detects movement.

Q: Does alarm false alarm easily?

NO. Alarm sounds immediately upon separation and lasts for 30s before stopping unless the door/window is closed.

Product ID: 277011793

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Details

Colour
Multi
Brand
SanJie
Power source
Battery
Compatible devices
Home Security
Battery description
Alkaline

🔊120dB piercing alert

🔋12-month battery life

🛠️No wiring, peel & stick

Frequently Bought Together

Description

🚪🔔 Secure your space, silence your worries!

INSTANT 120 D B ALARM - Shatter silence with a piercing alert that deters intruders immediately.
YEAR LONG BATTERY LIFE - Powered by 3 included batteries, enjoy up to 12 months of uninterrupted protection.
EFFORTLESS INSTALLATION - No tools, no screws—just peel the double-sided tape and secure your space in seconds.
COMPACT WIRELESS DESIGN - Sleek magnetic sensors fit flat doors/windows, blending security seamlessly into your lifestyle.
VERSATILE SAFETY REMINDER - Perfect for homes, offices, and even keeping kids or elderly family members safe and accounted for.

The SanJie Door Window Alarm 5 PCS set offers a powerful 120dB wireless magnetic sensor alarm system that instantly alerts you when doors or windows open. Designed for easy peel-and-stick installation with no wiring required, it runs on 3 included batteries providing up to 12 months of standby time. Ideal for home, office, or apartment use, it also helps monitor children and elderly family members, combining convenience with robust security.

Specifications

Number of batteries	1 12V batteries required. (included)
Voltage	110 Volts
Control method	App, Touch
Noise level	110 Decibels
Mounting type	Door Mount
Sensor technology	Contact Sensor
UPC	680727535469
Size	5 PACK
Manufacturer	SanJie
Part number	YYDOA01
Item Weight	210 g
Product Dimensions	7.62 x 3.81 x 2.03 cm; 210 g
Batteries	1 12V batteries required. (included)
Item model number	YYDOA01
Color	Multi
Item Package Quantity	1
Special Features	wireless
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Silver Oxide
tech_spec_battery_description_toys	Alkaline

Have a Question? See What Others Asked

Are the alarms easy to install?

How long do the batteries typically last?

Can the volume of the alarm be adjusted?

Are the alarms suitable for use on sliding doors or windows?

Does alarm false alarm easily?

Common Questions

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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