--- product_id: 745404385 title: "X-Sense Smart Mailbox Alarm, SBS50 Base Station Required, Long Range Wireless Mailbox Alert, Mailbox Sensor for Delivered Mail, SMA51" brand: "x-sense" price: "€ 1.80" currency: EUR in_stock: false url: https://www.desertcart.sk/products/745404385-x-sense-smart-mailbox-alarm-sbs50-base-station-required-long store_origin: SK region: Slovakia --- # 2.4GHz long-range wireless 4-year battery life IP65 waterproof durability X-Sense Smart Mailbox Alarm, SBS50 Base Station Required, Long Range Wireless Mailbox Alert, Mailbox Sensor for Delivered Mail, SMA51 **Brand:** x-sense **Price:** € 1.80 **Availability:** ❌ Out of Stock ## Summary > πŸ“¬ Stay ahead of your mail game with smart alerts that keep you connected! ## Quick Answers - **What is this?** X-Sense Smart Mailbox Alarm, SBS50 Base Station Required, Long Range Wireless Mailbox Alert, Mailbox Sensor for Delivered Mail, SMA51 by x-sense - **How much does it cost?** € 1.80 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/745404385-x-sense-smart-mailbox-alarm-sbs50-base-station-required-long) ## 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 - β€’ **Seamless Multi-User Sharing:** Share access with family or roommates via app for total mailbox transparency. - β€’ **Instant Mail Alerts, Anywhere:** Get notified the moment your mail arrivesβ€”never miss a delivery again. - β€’ **Robust All-Weather Performance:** Built to withstand rain, sun, and extreme temps from -10Β°C to 60Β°C. - β€’ **Expandable Smart Home Integration:** Connect up to 50 devices with SBS50 base station for full home coverage. - β€’ **Effortless Installation & Maintenance:** Cord-free design with easy double-sided tape setup and replaceable battery. ## Overview The X-Sense SMA51 Smart Mailbox Alarm pairs with the SBS50 base station to deliver instant, long-range wireless notifications via a 2.4GHz network. Designed for diverse mailbox types, it features a 4-year battery life, IP65 waterproof rating, and easy app-controlled multi-user sharing. Its compact, cord-free design ensures quick installation and reliable performance in all weather conditions. ## Description X-Sense Smart Mailbox Alarm, SBS50 Base Station Required, Long Range Wireless Mailbox Alert, Mailbox Sensor for Delivered Mail, SMA51 ## Features - Requires SBS50 Base Station - The SMA51 is an accessory for use with the SMA11 smart mailbox kit and requires pairing with the SBS50 base station; SBS50 base station can connect up to 50 mailbox alarms or other SBS50 compatible devices, ensuring complete home coverage - AUTOMATIC REALTERS & MULTI USER SHARING - The moment your mail arrives, you will receive an instant app alert; Manage various functions from your phone, such as sharing devices, mail reminder, one-button mute, up to 100dB volume adjustment and ringtone selection - LONG DISTANCE TRANSMISSION, ACCURATE DETECTION - With wide coverage, the smart mailbox alarm maintains a strong and reliable connection to the base station via a 2.4GHz Wi-Fi network, and quickly send notifications to your phone - Compatibility with Various Mailbox Types - This mailbox alarm is designed with a sleek, compact profile; compatible with curb/pole mount, wall mount, slot type and cluster type mailboxes; Not suitable for mailing slots without caps - Extra-long standby mode, easy installation: replaceable battery offers a long 4-year life based on 5 daily triggers; Alarm is 100% cord-free and easy to install with the included double-sided tape; Following the instructions on the app, 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 -10-60 C (-10-60 C), this wireless mailbox alarm works reliably even in extreme weather; ASA housing and silicone seal prevent fading caused by sunlight and UV rays ## Technical Specifications | Specification | Value | |---------------|-------| | Battery Description | Lithium | | Number of Batteries | 1 CR2 batteries required. (included) | | Voltage | 3 Volts | | Control Method | App | | Manufacturer | X-SENSE | | Item model number | SMA51 | | Product Dimensions | 4.2 x 3.2 x 10.7 cm; 59 g | | ASIN | B0CYZKRH49 | ## Product Details - **Colour:** Black - **Brand:** X-Sense - **Power Source:** Battery Powered - **Compatible Devices:** Smartphone - **Product Dimensions:** 9.9L x 2.7W x 2.6H Centimeters ## Images ![X-Sense Smart Mailbox Alarm, SBS50 Base Station Required, Long Range Wireless Mailbox Alert, Mailbox Sensor for Delivered Mail, SMA51 - Image 1](https://m.media-amazon.com/images/I/71d+6EvSzML.jpg) ![X-Sense Smart Mailbox Alarm, SBS50 Base Station Required, Long Range Wireless Mailbox Alert, Mailbox Sensor for Delivered Mail, SMA51 - Image 2](https://m.media-amazon.com/images/I/617W2EqMrnL.jpg) ![X-Sense Smart Mailbox Alarm, SBS50 Base Station Required, Long Range Wireless Mailbox Alert, Mailbox Sensor for Delivered Mail, SMA51 - Image 3](https://m.media-amazon.com/images/I/61BzIWlfsLL.jpg) ![X-Sense Smart Mailbox Alarm, SBS50 Base Station Required, Long Range Wireless Mailbox Alert, Mailbox Sensor for Delivered Mail, SMA51 - Image 4](https://m.media-amazon.com/images/I/61ARKm9QQxL.jpg) ![X-Sense Smart Mailbox Alarm, SBS50 Base Station Required, Long Range Wireless Mailbox Alert, Mailbox Sensor for Delivered Mail, SMA51 - Image 5](https://m.media-amazon.com/images/I/61hPCn-zjxL.jpg) ## Frequently Bought Together - X-Sense Smart Mailbox Alarm, Requires SBS50 Base Station, Wireless Long Range Mailbox Alert, Mailbox Sensor for Delivered Mail, SMA51 - X-Sense Smart Mailbox Alarm, Wireless Long Range Mailbox Alert, Mailbox Sensor with SBS50 Base Station for Delivered Mail, SMA11 - 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? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/745404385-x-sense-smart-mailbox-alarm-sbs50-base-station-required-long](https://www.desertcart.sk/products/745404385-x-sense-smart-mailbox-alarm-sbs50-base-station-required-long) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-07-27*