---
product_id: 61023919
title: "Home Security Alarm System Wireless 3G/Wifi/GSM/GPRS, SMART4U DIY Alarm System Kit with Auto Dial APP Control Motion Detectors Door Window Sensor Remote Controller Loud Siren"
brand: "smart4u"
price: "FREE"
currency: USD
in_stock: false
reviews_count: 1
category: "Personal Computer"
url: https://www.desertcart.us/products/61023919-home-security-alarm-system-wireless-3g-wifi-gsm-gprs-smart4u
store_origin: US
region: United States of America
---

# Home Security Alarm System Wireless 3G/Wifi/GSM/GPRS, SMART4U DIY Alarm System Kit with Auto Dial APP Control Motion Detectors Door Window Sensor Remote Controller Loud Siren

**Brand:** smart4u
**Price:** FREE
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Home Security Alarm System Wireless 3G/Wifi/GSM/GPRS, SMART4U DIY Alarm System Kit with Auto Dial APP Control Motion Detectors Door Window Sensor Remote Controller Loud Siren by smart4u
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/61023919-home-security-alarm-system-wireless-3g-wifi-gsm-gprs-smart4u)

## Best For

- smart4u enthusiasts

## Why This Product

- Trusted smart4u brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

NOTES ABOUT WIFI CONNECTION: 1. Choose the &quot;International&quot; for Wi-fi operation mode;2. This alarm system supports 2.4GHz wifi ONLY A modern home alarm system of remote monitoring and alarm, in order to improve the home security level. If someone has broken into your home or something trigger the alarm, this wireless alarm system will &quot;tell&quot; you immediately through Auto dial/Send SMS/Push message from many sensors, such as backyards, gate, window, balcony, smoke, gas, etc. Easily set different alarm states based on your times and needs, talk to your family or friends who pay you a visit. What&apos;s more, this system has pushed a safe APP for providing users the better experience to remote control the alarm system from anywhere, to ensure the alarm performance stable and reliable.7 states of the alarm system:Arm: make the host into alert state, means Arming, Alert or booting.Stay alarm: in case the user is at home, only set alert to entrance/exit or perimeter, also called home alert.Disarm: withdraw alert or power off.Trigger: under Arm state, detectors detects someone or door is opened, it will trigger the detectors and make alarms.Exit delay: in order to avoid making alarms for the users leaving and passing the Arm zones, delay the alarm time if you setting the host to be Arm state.Entrance delay: allows user to Disarm the host with some time when user comes back and pass the Arm zones; the host will make alarms if time out beyond the Disarm.Alarm: when the host create alarm action, it will send SMS, dial, push massage to phone APP or send alarm information to intranet security center.

## Features

- ★UPDATE VERSION FOR WIDER USE★ Compared to traditional 2G/WIFI home alarm system, it’s network transmission of the system is 3G(can be used in 2G globally), avoid network restriction in some place, ensure the alarm performance stable and reliable. Auto Dial/Send SMS to your preset phone numbers, up to 5 group phone numbers and 20s voice which will call and play when alarm occurs.【TIP: 2.4GHZ ONLY, NOT SUPPORT 5GHz; NO SIM CARD INCLUDED】
- ★MULTIPLE DEFENCE ZONE SUPPORT★ Gate, bedroom, window, balcony, perimeter, SOS, smoke, gas, carbon dioxide, water leaking detection ect. For other system,the alarm system can pair accessories arrive 99 accessories.
- ★WIRELESS REMOTE CONTROL FUNCTION★ Alarm system with Security APP(ANDROID AND IOS) ALLOWS YOU Remote Control your home system and conveniently check home system status from anywhere with your smart phone, arm/disarm the alarm and more operations.
- ★TRIGGER IN-TIME AND EASILY GET HELP★ Small but powerful door sensors, 120°wide detection angel PIR detection, SOS button of the Remote Controller will trigger all alarms to notice neighbors and send SOS calls and messages to other families when there are some suspicious movements or potential intruders, allows you receive the alarm notification in time, greatly and safely protect your home, your families and more.
- ★COLORFUL SCREEN AND NEW PANEL DESIGN FOR NICE TOUCH★ Features a 2.4 inch Large TFT Display Screen, a good sense of touch feeling without the button-broken problem this alarm system has long service life. Supports 3 languages including English, German and Chinese.

## Images

![Home Security Alarm System Wireless 3G/Wifi/GSM/GPRS, SMART4U DIY Alarm System Kit with Auto Dial APP Control Motion Detectors Door Window Sensor Remote Controller Loud Siren - Image 1](https://m.media-amazon.com/images/I/41ZpMVDgjnL.jpg)
![Home Security Alarm System Wireless 3G/Wifi/GSM/GPRS, SMART4U DIY Alarm System Kit with Auto Dial APP Control Motion Detectors Door Window Sensor Remote Controller Loud Siren - Image 2](https://m.media-amazon.com/images/I/51n9MFOSZbL.jpg)
![Home Security Alarm System Wireless 3G/Wifi/GSM/GPRS, SMART4U DIY Alarm System Kit with Auto Dial APP Control Motion Detectors Door Window Sensor Remote Controller Loud Siren - Image 3](https://m.media-amazon.com/images/I/51Q6XxpSlCL.jpg)
![Home Security Alarm System Wireless 3G/Wifi/GSM/GPRS, SMART4U DIY Alarm System Kit with Auto Dial APP Control Motion Detectors Door Window Sensor Remote Controller Loud Siren - Image 4](https://m.media-amazon.com/images/I/61YOAx8TFwL.jpg)
![Home Security Alarm System Wireless 3G/Wifi/GSM/GPRS, SMART4U DIY Alarm System Kit with Auto Dial APP Control Motion Detectors Door Window Sensor Remote Controller Loud Siren - Image 5](https://m.media-amazon.com/images/I/51VJVXJiOBL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Good alarm system. Worth every penny.
            
*by J***A on May 8, 2018*

Overall it's easy to install. Good system. Sensors needs better adhesive. But other than that it works like a charm especially with the app.
  

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-03*