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【ZX-G21】
Wifi Alarm System

G21 WiFi smart alarm system is a full Tuya-enabled home security solution. It supports one-key WiFi network configuration, RFID card access and emergency alarm. Multi-color indicator lights show working status clearly. Remotely control via Tuya/Smart Life App and voice command with Amazon Alexa & Google Assistant. You can preset emergency contacts, share devices with family, and freely pair various wireless detectors to build customized all-round home protection.

Product Datasheet 
Product Details Specifications Technical Q&A Product Inquiry
Multi-color Indicator Atmosphere Light

The alarm panel adopts multi-color status indicator lights with different flashing modes for different working states. Fast blue flash for Smart Mode WiFi pairing, slow blue flash for AP pairing, purple flash for device pairing, yellow flash for entry/exit delay, cyan for doorbell visit and armed status, red slow flash for alarm. Users can quickly judge system status at a glance without checking the mobile App.

Multi-color Indicator Atmosphere Light
Tuya Smart App Remote Control

Work with Tuya & Smart Life App for full remote management anytime anywhere. Enjoy stable global servers, wide deployment range and strong compatibility. Users can arm, disarm and check real-time home security status remotely on the App. No complicated host operation required. Instant push notifications will be sent to your mobile phone once an alarm is triggered.

Tuya Smart App Remote Control
Voice Control by Alexa & Google Assistant

This G21 alarm system supports voice control via Amazon Alexa and Google Assistant. You can simply give voice commands to arm or disarm the security system hands-free. It realizes seamless linkage with your existing smart speaker ecosystem. Perfect for daily home scenarios, bringing extra convenience while reinforcing your home security defense.

Voice Control by Alexa & Google Assistant
Device Sharing & Emergency Call Alert

Support device sharing with family members and storage of 5 preset emergency phone numbers. When an emergency alarm activates, the system will send alerts to all shared accounts and dial preset contacts. All family members can receive security notifications simultaneously. It ensures timely risk notification and improves response speed for burglary, fire and other dangerous situations.

Device Sharing & Emergency Call Alert
DIY Expandable Wireless Accessories

The alarm main panel supports pairing multiple wireless sensors freely. Compatible with door contact sensors, PIR motion detectors, smoke sensors, gas leak detectors, water flood sensors, doorbells, cameras and more. You can customize your security layout according to house structure. Build a complete DIY security system to guard every corner of your house.

DIY Expandable Wireless Accessories

  • Product Name:Wifi Alarm System
  • Product Model:ZX-G21
  • OTA:Supports OTA remote upgrades
  • Powered by Tuya APP:Works with Amazon Alexa, Google Assistant
  • Languages:12 languages
  • Wireless zones:100 wireless zones
  • SMS:-
  • Main Power Supply:Powered via TYPE-C USB port, 5V/1000mA
  • Backup Battery:3.7V/500mAh rechargeable lithium-polymer battery
  • Low-battery Threshold:3.7V DC
  • Alarm Volume:3-level adjustable (High / Low / Mute)
  • Display Screen:-
  • Screen Brightness:-
  • Radio Frequency:433 MHz
  • Applicable Scenarios:Shops, residences, warehouses, residential communities, etc
  • Alarm Notification Modes:Phone call, SMS and APP push-alert
  • Key Sales Regions:North America, South America and Europe
Can this alarm system work with both Amazon Alexa and Google Assistant?
Yes. G21 WiFi alarm panel supports voice control of Amazon Alexa and Google Assistant. After binding the device in Tuya App, you can send voice commands to arm or disarm the alarm system via smart speakers easily.
What wireless detectors can I add to this G21 alarm host?
The main panel supports most Tuya wireless security accessories, including door magnetic sensors, PIR infrared detectors, smoke alarms, gas leak sensors, water immersion sensors, wireless doorbells and WiFi cameras. You can expand sensors freely to customize your home security system.
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