--- product_id: 104553403 title: "Door Open Alarms for Kids Safety,120dB Window Alarms for Home Security" brand: "noopel" price: "€ 46.20" currency: EUR in_stock: true category: "Noopel" url: https://www.desertcart.hr/products/104553403-door-open-alarms-for-kids-safety-120db-window-alarms-home store_origin: HR region: Croatia --- # 0.39 inch sensor gap 120dB piercing alarm 3XLR44 batteries included Door Open Alarms for Kids Safety,120dB Window Alarms for Home Security **Brand:** noopel **Price:** € 46.20 **Availability:** ✅ In Stock ## Summary > 🚪🔔 Keep your home and kids safe with a silent guardian that screams when it matters! ## Quick Answers - **What is this?** Door Open Alarms for Kids Safety,120dB Window Alarms for Home Security by noopel - **How much does it cost?** € 46.20 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/104553403-door-open-alarms-for-kids-safety-120db-window-alarms-home) ## Best For - noopel enthusiasts ## Why This Product - Trusted noopel brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Sensor Gap:** Triggers alarm if door/window opens beyond 0.39 inches—perfect for toddler safety and security. - • **Unmatched 120dB Alarm:** Instantly deters intruders with ear-piercing alerts that won’t go unnoticed. - • **Effortless Peel & Stick:** No tools, no wiring—install in minutes with clean, damage-free adhesive. - • **Battery Life You Can Trust:** Includes 3 long-lasting batteries plus low battery indicator to keep you worry-free. - • **Ultra-Slim, Discreet Design:** Sleek 2.9" x 1.5" x 0.4" profile blends seamlessly with any door or window frame. ## Overview The NOOPEL Door Open Alarms deliver a powerful 120dB alert triggered by a precise 0.39-inch sensor gap, ensuring immediate notification of unauthorized door or window openings. Designed for easy peel-and-stick installation with no wiring, these ultra-slim alarms come in a pack of four, each powered by included 3XLR44 batteries with a low battery indicator. Ideal for homes, apartments, offices, and RVs, they provide versatile, reliable security and child safety monitoring. ## Description Buy Door Open Alarms for Kids Safety,120dB Window Alarms for Home Security | Open Triggered Alert,Pool Door Alarm,Stick-on Install,Apartment Security, Shed Caravan Use,Long-lasting Battery: Horns & Sirens - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - 120dB LOUD ALARM: Door window alarm sounds 120db loud when door or window opens, helps deter intruder thieves and alert residence. Once the alarm and magnet are separated more than 0.39 inches (1cm), the alarm siren keeps going until you close the door - FOR KIDS SAFETY: Door alarms for kids safety to prevent toddlers going out without notice. Also entry warning for your house, office, apartment, garage, dorm, RV, hotel and so on. Solution for indoor personal security - EASY TO INSTALL: Simple peel and stick installation with included double sided tape. No wiring needed and no screws needed. Keep the installation area clean and ensure that the sensor is installed within 0.39 inches from the arrow side of the alarm - ULTRA SLIM DESIGN: Includes four alarms for doors and windows, each dimension Size: 2.9" x 1.5" x 0.4", each with 2 adjustable settings ON/OFF, each with 3XLR44 Batteries included - LOW BATTERY INDICATOR: Built-in low battery indicator to check battery life easily. Please note: this alarm does not work on uneven surfaces - VERSATILE APPLICATIONS: Suitable for use on bedrooms, hotels, garages, apartments, dorm rooms, shops, offices, RVs, windows, doors, balconies, and sliding glass doors for enhanced security monitoring ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07MWSNDFL | | Audible Noise | 120 db | | Battery Description | Alkaline | | Best Sellers Rank | #20,066 in Electronics ( See Top 100 in Electronics ) #68 in Security Horns & Sirens | | Brand | Noopel | | Built-In Media | Door Alarm Window Sensors | | Color | Silver+Black | | Compatible Devices | Home Security System | | Control Method | Touch | | Customer Reviews | 4.2 4.2 out of 5 stars (2,382) | | Item Dimensions L x W x H | 3"L x 1.5"W x 0.6"H | | Manufacturer | NOOPEL | | Maximum Range | 0.4 inches | | Mfr Part Number | NPLDWA130-4 US | | Model Number | MSA-820 | | Mounting Type | Protruding | | Number of Batteries | 3 Nonstandard Battery batteries required. (included) | | Number of Items | 4 | | Number of Packs | 4 | | Power Source | Battery Powered | | Sensor Technology | Contact Sensor | | Size | 2.9" x 1.5" x 0.4" | | UPC | 666354349037 | | Unit Count | 4 Count | | Voltage | 4.5 volts | ## Product Details - **Brand:** Noopel - **Color:** Silver+Black - **Compatible Devices:** Home Security System - **Power Source:** Battery Powered - **Product Dimensions:** 3"L x 1.5"W x 0.6"H ## Images ![Door Open Alarms for Kids Safety,120dB Window Alarms for Home Security - Image 1](https://m.media-amazon.com/images/I/616ssM1e9pL.jpg) ![Door Open Alarms for Kids Safety,120dB Window Alarms for Home Security - Image 2](https://m.media-amazon.com/images/I/41IAFSLDRXL.jpg) ![Door Open Alarms for Kids Safety,120dB Window Alarms for Home Security - Image 3](https://m.media-amazon.com/images/I/51Vx5q2rreL.jpg) ![Door Open Alarms for Kids Safety,120dB Window Alarms for Home Security - Image 4](https://m.media-amazon.com/images/I/51hBjSbBc1L.jpg) ![Door Open Alarms for Kids Safety,120dB Window Alarms for Home Security - Image 5](https://m.media-amazon.com/images/I/51YMwJ6HGNL.jpg) ## Available Options This product comes in different **Number Of Items** options. ## Frequently Bought Together - Door Alarms When Opened, 4 Pack Noopel 120DB Loud Pool Alarms for Doors, Window Alarm Sensors for Kids Safety, Burglar Entry Alert for Home Security - LiCB 20 Pack LR44 AG13 357 303 SR44 Battery 1.5V Button Coin Cell Batteries - Door Alarms 6 Pack for Kids Safety, Noopel 120DB Pool Alarm Sensor for Doors and Windows, Burglar Intruder Entry Alert for Toddlers Personal Security --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/104553403-door-open-alarms-for-kids-safety-120db-window-alarms-home](https://www.desertcart.hr/products/104553403-door-open-alarms-for-kids-safety-120db-window-alarms-home) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-27*