--- product_id: 599552438 title: "Smart Mailbox Alarm, Wireless Long Range Mailbox Alert, Mailbox Sensor with SBS50 Base Station for Delivered Mail, SMA11" brand: "x-sense" price: "€ 68.48" currency: EUR in_stock: true url: https://www.desertcart.at/products/599552438-smart-mailbox-alarm-wireless-long-range-mailbox-alert-mailbox-sensor store_origin: AT region: Austria --- # 50m long-range wireless 4-year battery life 100 dB loud alert Smart Mailbox Alarm, Wireless Long Range Mailbox Alert, Mailbox Sensor with SBS50 Base Station for Delivered Mail, SMA11 **Brand:** x-sense **Price:** € 68.48 **Availability:** ✅ In Stock ## Summary > 📬 Stay ahead of your mail game with smart alerts that keep you connected! ## Quick Answers - **What is this?** Smart Mailbox Alarm, Wireless Long Range Mailbox Alert, Mailbox Sensor with SBS50 Base Station for Delivered Mail, SMA11 by x-sense - **How much does it cost?** € 68.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/599552438-smart-mailbox-alarm-wireless-long-range-mailbox-alert-mailbox-sensor) ## Best For - x-sense enthusiasts ## Why This Product - Trusted x-sense brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Wireless Setup:** 100% wire-free installation with included double-sided tape—set up in minutes, no tools required. - • **Built to Brave the Elements:** IP65 waterproof and UV-resistant design ensures reliable performance rain or shine. - • **Seamless Multi-User Sharing:** Share access with family or roommates via the X-Sense app for effortless mail management. - • **Expandable Smart Security Hub:** Connect up to 50 X-Sense devices to one base station for total home and outdoor coverage. - • **Instant Mail Alerts, Anywhere:** Get real-time push notifications the moment your mail arrives—never miss a delivery again. ## Overview The X-Sense Smart Mailbox Alarm is a sleek, wireless sensor system that sends instant app alerts via a 2.4 GHz Wi-Fi connection when mail is delivered. Featuring a powerful 100 dB alarm, 50-meter transmission range, and a 4-year battery life, it’s designed for easy installation on various mailbox types. Built tough with IP65 waterproofing and UV-resistant materials, it ensures reliable operation in all weather. The included SBS50 base station supports up to 50 devices, enabling comprehensive home security customization. ## Description ["https://m.media-desertcart.com/images/S/aplus-media-library-service-media/c456204a-cc0b-43e3-8db6-87c6f59b5a5c.__CR0,0,1464,600_PT0_SX1464_V1___.png", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/4c678659-89e3-46c2-ae0b-985f3e9ad661.__CR0,0,1464,600_PT0_SX1464_V1___.png", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/0acd8a65-13ba-40ce-bc34-77f011d0c837.__CR0,0,1464,600_PT0_SX1464_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/e887a98c-1777-4210-b488-606a15ff80e6.__CR0,0,1464,600_PT0_SX1464_V1___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/d1643458-afe8-470c-99c4-d6636edc17e5.__CR0,0,1464,625_PT0_SX1464_V1___.jpg", "https://m.media-desertcart.com/images/I/41BnyDAiKKL.__AC_SR166,182___.jpg", "https://m.media-desertcart.com/images/I/41FZVAqfTcL.__AC_SR166,182___.jpg", "https://m.media-desertcart.com/images/I/41YosTwtXiL.__AC_SR166,182___.jpg", "https://m.media-desertcart.com/images/I/41PHgkj6MNL.__AC_SR166,182___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/5d1357b2-3c8a-4520-87fd-810a575d53ab.__AC_SR166,182___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/06a343a0-db0c-4e35-921c-8a7fabab4a92.__AC_SR166,182___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/d1c0eb1b-f223-4ee7-9b3e-841842ccef04.__AC_SR166,182___.jpg", "https://m.media-desertcart.com/images/S/aplus-media-library-service-media/bf1c2b53-3d8c-4320-96d5-bffb989e7fcc.__AC_SR166,182___.jpg"] ## Features - Note: Compatible only with 2.4 GHz Wi-Fi (incompatible with 5.0 GHz); connects to the X-Sense Home Security App via the included base station - Real-Time Push Alerts & Multi-User Sharing: The moment your mail arrives, you'll receive an instant app push alert; manage various features from your phone, such as device sharing, mail reminder, one-button silence, adjusting volume up to 100 dB, and ringtone selection - Long-Distance Transmission, Accurate Detection: With extensive coverage, the smart mailbox alarm maintains a strong and reliable connection to the base station via a 2.4 GHz Wi-Fi network, and promptly sends notifications to your phone - Compatibility with Various Mailbox Types: This mailbox alarm is designed with a sleek and compact profile; compatible with curbside/post mount, wall mount, slot type, and cluster type mailboxes; not suitable for mail slots without lids - Extra Long Standby, Easy Setup: The replaceable battery offers a long 4-year lifespan based on 5 daily triggers; the alarm is 100% wire-free and easy to install using the double-sided tape included; following the in-app instructions, simply add it to the X-Sense app in seconds - Built for All-Weather Durability: With its IP65 waterproof rating and an operating temperature range of 14–140°F (-10–60°C), this wireless mailbox alarm operates reliably even in extreme weather; ASA shell and silicone seal prevent fading caused by sunlight and UV rays - Customize Your Home Safety System: Includes 1 mailbox alarm and 1 SBS50 base station; each base station can add 50 X-Sense devices, providing complete coverage for both your indoor and outdoor properties; customize your device names for easy location and management as needed ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0CPLQ16K7 | | Audible Noise | 100 Decibels | | Battery Description | Lithium | | Best Sellers Rank | #24,768 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #20 in Post-Mount Mailboxes | | Brand | X-Sense | | Built In Media | 1 X Smart Mailbox Alarm, 1 X SBS50 Base Station, 1 X User Manual | | Color | Black | | Compatible Devices | Smartphone | | Control Method | App | | Customer Reviews | 4.3 4.3 out of 5 stars (1,502) 4.3 out of 5 stars | | Item Dimensions L X W X H | 3.91"L x 1.02"W x 1.06"H | | Item Type Name | mailbox alarm | | Manufacturer | X-SENSE | | Maximum Range | 50 Meters | | Mfr Part Number | X-SENSE | | Model Number | SMA11 | | Mounting Type | Protruding | | Number Of Batteries | 1 CR2 batteries required. (included) | | Power Source | Battery Powered | | Sensor Technology | Infrared Sensor | | Size | 1 Alarm + Base Station | | Smart Home Compatibility | Not Smart Home Compatible | | Upc | 850053675409 | | Voltage | 3 Volts | | Wattage | 1000 milliamp_hours | ## Product Details - **Brand:** X-Sense - **Color:** Black - **Compatible Devices:** Smartphone - **Power Source:** Battery Powered - **Product Dimensions:** 3.91"L x 1.02"W x 1.06"H ## Images ![Smart Mailbox Alarm, Wireless Long Range Mailbox Alert, Mailbox Sensor with SBS50 Base Station for Delivered Mail, SMA11 - Image 1](https://m.media-amazon.com/images/I/61JsrJVrxqL.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - X-Sense Smart Mailbox Alarm, Wireless Long Range Mailbox Alert, Mailbox Sensor with SBS50 Base Station for Delivered Mail, SMA11 - X-Sense Smart Mailbox Alarm, Requires SBS50 Base Station, Wireless Long Range Mailbox Alert, Mailbox Sensor for Delivered Mail, SMA51 - X-Sense Smart Home Security System, Wireless Home Alarm System 8-Piece Kit, Supports Mobile App Alerts, Compatible with Alexa, Includes 1 Base Station, 4 Door Sensors, 2 Motion Sensors, 1 Keypad, AS08 --- ## 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.at/products/599552438-smart-mailbox-alarm-wireless-long-range-mailbox-alert-mailbox-sensor](https://www.desertcart.at/products/599552438-smart-mailbox-alarm-wireless-long-range-mailbox-alert-mailbox-sensor) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-07-23*