---
product_id: 599552438
title: "X-Sense Smart Mailbox Alarm for Delivered Mail, APP Alerts"
brand: "x-sense"
price: "₩77057"
currency: KRW
in_stock: true
category: "X Sense"
url: https://www.desertcart.kr/products/599552438-x-sense-smart-mailbox-alarm-for-delivered-mail-app-alerts
store_origin: KR
region: South Korea
---

# 50m long-range signal 4-year battery life IP65 weatherproof durability X-Sense Smart Mailbox Alarm for Delivered Mail, APP Alerts

**Brand:** x-sense
**Price:** ₩77057
**Availability:** ✅ In Stock

## Summary

> 📬 Stay ahead of the mail game—secure, smart, and always connected!

## Quick Answers

- **What is this?** X-Sense Smart Mailbox Alarm for Delivered Mail, APP Alerts by x-sense
- **How much does it cost?** ₩77057 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/599552438-x-sense-smart-mailbox-alarm-for-delivered-mail-app-alerts)

## 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 under 5 minutes, no tech headaches.
- • **Built to Brave the Elements:** IP65-rated waterproof and UV-resistant shell ensures flawless performance rain or shine, summer or winter.
- • **Seamless Multi-User Sharing:** Share alerts with family or colleagues via the X-Sense app for total mail security and peace of mind.
- • **Expandable Smart Security Hub:** Connect up to 50 X-Sense devices to one base station—customize and control your entire home security ecosystem.
- • **Instant Mail Alerts, Anywhere:** Get real-time push notifications the moment your mailbox opens—never miss a delivery or theft again.

## Overview

The X-Sense Smart Mailbox Alarm is a sleek, wireless sensor that instantly alerts you via app when your mailbox is opened. Compatible with 2.4 GHz Wi-Fi, it offers a robust 50-meter range and a loud 100 dB base station chime. Designed for all mailbox types with IP65 weatherproofing, it boasts a 4-year battery life and supports multi-user sharing and expansion with up to 50 devices, making it a must-have for proactive mail security.

## Description

desertcart.com: X-Sense Smart Mailbox Alarm for Delivered Mail, APP Alerts | Wireless Long Range Mailbox Sensor with SBS50 Base Station, Up to 4 Years of Battery Life, SMA11 : Tools & Home Improvement

## 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 db |
| Battery Description | Lithium |
| Best Sellers Rank | #18,665 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Mailbox Hardware |
| Brand | X-Sense |
| Built-In Media | 1 X SBS50 Base Station, 1 X User Manual, 1 X Smart Mailbox Alarm SMA51 |
| Color | Basic |
| Compatible Devices | Smartphone |
| Control Method | App |
| Customer Reviews | 4.3 out of 5 stars 1,714 Reviews |
| Item Dimensions L x W x H | 3.91"L x 1.02"W x 1.06"H |
| Item Highlight | Wireless Long Range Mailbox Sensor with SBS50 Base Station, Up to 4 Years of Battery Life, SMA11 |
| Manufacturer | X-Sense Electronics Co., Ltd. |
| Maximum Range | 50 meters |
| Mfr Part Number | X-SENSE |
| Model Name | SMA11 |
| Model Number | SMA11 |
| Mounting Type | Protruding |
| Number of Batteries | 1 CR2 batteries required. (included) |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Product Dimensions | 3.91"L x 1.02"W x 1.06"H |
| Sensor Technology | Infrared Sensor |
| Size | 1 Alarm + Base Station |
| 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

![X-Sense Smart Mailbox Alarm for Delivered Mail, APP Alerts - Image 1](https://m.media-amazon.com/images/I/61JsrJVrxqL.jpg)
![X-Sense Smart Mailbox Alarm for Delivered Mail, APP Alerts - Image 2](https://m.media-amazon.com/images/I/617W2EqMrnL.jpg)
![X-Sense Smart Mailbox Alarm for Delivered Mail, APP Alerts - Image 3](https://m.media-amazon.com/images/I/61BzIWlfsLL.jpg)
![X-Sense Smart Mailbox Alarm for Delivered Mail, APP Alerts - Image 4](https://m.media-amazon.com/images/I/61ARKm9QQxL.jpg)
![X-Sense Smart Mailbox Alarm for Delivered Mail, APP Alerts - Image 5](https://m.media-amazon.com/images/I/61hPCn-zjxL.jpg)

## Available Options

This product comes in different **Color, Set** 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

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**Shop now:** [https://www.desertcart.kr/products/599552438-x-sense-smart-mailbox-alarm-for-delivered-mail-app-alerts](https://www.desertcart.kr/products/599552438-x-sense-smart-mailbox-alarm-for-delivered-mail-app-alerts)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-11-14*