YBJ 21-Piece-Kit WiFi Alarm System for Home Security, DIY 4G Smart Home Security System, Wireless Home Alarm System with APP Control, Motion Detector, Door Window Sensor, Siren,Work with Amazon Alexa

Price: $129.99
(as of Mar 08, 2025 17:35:12 UTC – Details)

Product Description

YBJ Wireless Home Alarm System

Support 2G/3G/4G sim card (does not support 5G sim card, the sim card is not included.)

Support 2.4GHz WiFi (does not support 5G WiFi.)

Capacitive touch keys with excellent operating experience for the user

Work with “Smart Life” and “Tuya” APP.

With excellent transmission range up to 80 m

Easy to disarm

Compatible with amazon Alexa and Google Assistant.

1 Operate on keyboard 2 APP control 3 Remote control 4 Disarm by RFID card 5 Voice control

Share with Family members

It can preset 5 groups of phone number when inserting a sim card. so you can receive alarm calls and message when the sensors are triggered.

Support for connecting camera

It can connect camera (not included) which work with “Tuya” and “Smart Life” APP. When you receive the notification from APP, you can access a live view with the camera and drive away thieves.

Two-way Communication

You can talk with the intruders to scare off after receiving alarm call.

Built-in battery

The backup battery works for 2~3 hours, only as an emergency battery.

Features 110° coverage at up to 12 meters.

Anti-tamper design and easy to install with double-sided tape.

4 buttons: arm, disarm, stay arm, SOS

The sound can up to more than 120db

One click for help, suitable for the elderly.

1 PIR motion detector

2 Door and window sensor

3 Remote control

4 Siren

5 SOS call button

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. video Merchant Video

How to connect WiFi

The alarm system can only identify 2.4GHz WiFi.

Please make sure your phone’s wifi work at 2.4G mode when connecting.

After successful connection, your phone can connect 5G WiFi, the alarm host will keep connect to 2.4GHz wifi all the time.

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. video Merchant Video

How to set alarm calls and alarm messages?

After inserting sim card, please reboot the alarm system, then the signal will be detected.

With a sim card inserting, the alarm host can be used as telephone and can dial the phone numbers.

Also, when the intruder enter your house, you will receive alarm call and alarm message (please pre-store phone numbers in the alarm host first). If the first phone number is busy, it will automatically dial the second phone number, you will never miss anything important.

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. video Merchant Video

How to set keypad password?

You can set keypad password to protect the alarm system and your home better.

Intruders can only disarm the alarm system after entering the correct password.

How to pair accessories?

This alarm system supports expansion of up to 100 accessories. You can add extra PIR motion detector, door window sensor, remote control, RFID cards and other wireless detectors whose frequency is 433-1527 or can work with “Tuya” and “Smart Life” APP.

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. video Merchant Video

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Customer Reviews

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4.2 out of 5 stars 32

4.2 out of 5 stars 10

Price

$129.99$129.99

$139.99$139.99

$109.99$109.99

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Phone APP Alert

✔

✔

✔

✔

Voice control

✔

✔

✔

✔

Timng arm and disarm

✔

✔

✔

✔

Weight

1.1kg

1.22kg

0.95kg

0.77kg

Connector Type

Micro USB

Micro USB

Micro USB

Micro USB

Powered by

Corded electric

Corded electric

Corded electric

Corded electric

Motion detecotor

4PCS

5PCS

3PCS

2PCS

Door window sensor

8PCS

10PCS

6PCS

4PCS

Siren

1PCS

1PCS

1PCS

1PCS

Remote control

3PCS

3PCS

2PCS

2PCS

RFID card

3PCS

3PCS

2PCS

2PCS

SOS button

1PCS

1PCS

1PCS

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[ Easy to Install ]: Easy To Install panel with wireless sensors that can be integrated in short time with automated fast response alarms. Support up to 100 learing/storage/location for remote control, RFID cards and wireless detector as you need; You can control this gsm alarm system Arm/Disarm/Voice Monitoring /Intercom by cellphone anywhere.
[ Wifi+GSM Dual Network ]: This alarm host only works with 2.4GHz wifi (not work 5G wifi) and 2G/3G/4G sim card. you can use GSM when the wifi is power off. // There is no any monthly fee, subscription fee, installation costs, or contracts required. Free mobile app for iPhone and Android phones, so you can control your alarm system from anywhere with your smartphone.
[ Timing Arm and Disarm Function ]: You can set timing arm and disarm by app or keyboard to avoid repeated operation. Also, a delay time can be set to avoid alarms caused by users leaving the site and passing through the deployed area. // Works with Alexa and Google, you can use voice to control your alarm system and intelligent household devices.
[ Anti-theft Protection ]: When someone triggers the system, it will sound a loud alarm to scare off thieves, and “Tuya” or “Smart life” app will push information to you, the alarm host will make a call or send a message to the preset phone number.
[ Package Includes ]: 1* alarm host; 1* PE-513 siren; 4* PIR motion detector; 8* door/window sensor; 3* RFID card; 3* remote control,1*SOS button.