YBJ WiFi Home Security Alarm System, DIY 4G Smart Home Security System, Compatible with Wireless 433MHz Motion detectors, Door/Window sensors, and Sirens, Supports Amazon Alexa. — Open-Box, 20% Off

Name: YBJ WiFi Home Security Alarm System, DIY 4G Smart Home Security System, Compatible with Wireless 433MHz Motion detectors, Door/Window sensors, and Sirens, Supports Amazon Alexa.
Brand: YBJ
SKU: awhd-us-b0g4cr2fxh
Price: 12.79 USD
Availability: InStock

Brand: YBJ

Condition: Used - Mint

$12⁷⁹

$15⁹⁹

-20% Save $3²⁰

Updated: 42 days ago

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Description

[Easy Installation]No professionals required. No wiring or drilling needed. Simply mount the main unit on the wall (screws included) and connect to power. Supports expansion to 100 learning/storage/location units. Flexibly configure remote controls, RFID cards, and wireless detectors.

[Mobile Remote Control]View and control your security system anytime via smartphone (requires SIM card or WiFi). Arm/disarm, voice monitoring, and intercom functions available.

[Intrusion Protection]When triggered, accessories instantly send wireless signals to activate the alarm system. It emits a high-decibel alert to deter intruders while simultaneously calling or texting preset contacts.

[Built-in Battery]The system remains fully operational even if wires are cut or power is interrupted. It continues to effectively deter intrusions during power outages.

[Dual-Mode Network Support]Compatible with 2G/3G/4G SIM cards (purchased separately) and 2.4GHz Wi-Fi networks (does not support 5G). Automatically switches to GSM communication when Wi-Fi power is lost.

[Scheduled Arming/Disarming]: Set timed operations via the app or keypad to avoid repetitive manual actions. Also configurable delay times prevent false alarms triggered by people leaving the premises through armed zones.

Easy Installation No professionals required. No wiring or drilling needed. Simply mount the main unit on the wall (screws included) and connect to power. Supports expansion to 100 learning/storage/location units. Flexibly configure remote controls, RFID cards, and wireless detectors. Mobile Remote Control View and control your security system anytime via smartphone (requires SIM card or WiFi). Arm/disarm, voice monitoring, and intercom functions available. Intrusion Protection When triggered, accessories instantly send wireless signals to activate the alarm system. It emits a high-decibel alert to deter intruders while simultaneously calling or texting preset contacts. Built-in Battery The system remains fully operational even if wires are cut or power is interrupted. It continues to effectively deter intrusions during power outages. Dual-Mode Network Support Compatible with 2G/3G/4G SIM cards (purchased separately) and 2.4GHz Wi-Fi networks (does not support 5G). Automatically switches to GSM communication when Wi-Fi power is lost. [Scheduled Arming/Disarming]: Set timed operations via the app or keypad to avoid repetitive manual actions. Also configurable delay times prevent false alarms triggered by people leaving the premises through armed zones.

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Product Details

SKU:: awhd-us-b0g4cr2fxh
Model:: YBJPG-500F-US
Country:: US
ASIN:: B0G4CR2FXH

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $3 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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