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【ZX-W20】
Wifi Alarm System

ZX‑W20 is a multi‑scene wireless intelligent security protection system supporting welcome mode and anti‑theft mode. It provides multilingual voice output, 30 optional melodies and five adjustable volume levels. Boasting up to 70‑meter wireless transmission range, it works with door‑window sensors and PIR detectors. It can count visitor traffic for retail premises and send remote mobile alerts for intrusion events. Suitable for milk‑tea shops, salons, supermarkets, hotels and residential buildings, it delivers both customer greeting and reliable anti‑intrusion protection for commercial and household applications.

Product Datasheet 
Product Details Specifications Technical Q&A Product Inquiry
Dual Working Modes: Welcome Mode & Anti‑Theft Mode

This system integrates welcome mode and anti‑theft mode to fit different time‑based usage demands. During business hours, welcome mode triggers greeting voice when customers enter your store. After business hours, switch to anti‑theft mode to activate loud alarm upon detecting intruders. You can flexibly toggle between the two modes according to business schedules such as 8:00 AM‑21:00 PM business hours. One unit fulfills both customer reception and property anti‑burglary needs for retail and service‑oriented sites.

Dual Working Modes: Welcome Mode & Anti‑Theft Mode
Multilingual Voice & 30 Selectable Melodies with 5‑Level Volume

Equipped with multilingual voice prompt function, ZX‑W20 supports diversified voice output for global market demands. It comes with 30 built‑in melodies, paired with five adjustable volume levels for flexible sound control. Users can pick proper tones and loudness for store greeting or emergency warning scenarios. Whether you need soft welcome audio for shopping venues or high‑volume siren for intrusion warning, it adapts to various acoustic environments without sound disturbance or insufficient alert volume.

Multilingual Voice & 30 Selectable Melodies with 5‑Level Volume
70‑meter Long‑Range Wireless Transmission

Featuring stable wireless signal with maximum 70‑meter transmission distance, the main unit can communicate smoothly with matched PIR motion sensors and door‑window contact sensors. It works well in large‑size venues such as supermarkets, showrooms and villas without signal drop‑off. You can deploy detectors across separate zones without complicated wiring. Long‑range wireless performance reduces installation limits and expands effective coverage for both commercial and residential security deployment.

70‑meter Long‑Range Wireless Transmission
Visitor Traffic Reminder & Statistics for Commercial Venues

Designed for commercial scenarios, this system provides daily visitor traffic reminder function. When PIR sensor detects incoming pedestrians, it records visitor activities for shop operators. Retail owners can get reference data about customer flow, helping with business operation analysis. It is ideal for milk‑tea shops, beauty salons and retail stores. Beyond security protection, it adds practical business‑assisting value to help merchants understand on‑site customer visiting conditions conveniently.

Visitor Traffic Reminder & Statistics for Commercial Venues
Mobile Remote Alert & Multi‑Sensor Compatibility

Pair with supporting wireless sensors including PIR motion detectors and door‑window contacts. Once unauthorized access is detected, the system pushes real‑time alarm notifications to your mobile phone. You can monitor site status remotely even when you are off‑site. Multiple sensors can be connected to cover doors, windows and key monitoring zones. It builds comprehensive safety coverage for shops, hotels and houses, keeping users informed of abnormal events in a timely manner.

Mobile Remote Alert & Multi‑Sensor Compatibility

  • Product Name:Wifi Alarm System
  • Product Model:ZX-W20
  • OTA:Supports OTA remote upgrades
  • Powered by Tuya APP:Works with Amazon Alexa, Google Assistant
  • Languages:12 languages
  • Wireless zones:20 wireless zones
  • SMS:-
  • Main Power Supply:Powered via TYPE-C USB port, 5V/1000mA
  • Backup Battery:3.7V/300mAh 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
What is the maximum wireless transmission distance of ZX‑W20?
Under ideal open‑space conditions, the wireless transmission reaches up to 70 meters. Actual effective distance will decrease if there are walls, metal barriers or other signal‑interfering objects. For large shops or villas, arrange sensor positions properly to reduce obstructions and maintain stable signal connection between main unit and peripheral detectors.
What scenarios is ZX‑W20 suitable for?
ZX‑W20 supports both welcome greeting and anti‑theft protection. It is widely applied for commercial premises including milk‑tea shops, beauty salons, supermarkets and hotels. It also works for home use. You can switch welcome mode for business opening hours and anti‑theft mode after closing or at night to satisfy commercial operation and household security requirements.
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