Contact Us


HEYI Building NO.63-1 Yu Shi Road, Economic and Technologic Development Zone, Quanzhou, Fujian, China

HY-W21 Home Security Alarm System of WIFI PSTN

HY-W21 ALARM SYSTEM Panel OF WIFI AND PSTN Brief Introduction W21 alarm system adopts the up-to-date digital sensor and transfer technology, which integrates burglar and fire/gas protection for smart alarm system. W21 adopts voice, support IOS and Android App. Users can remotely control and program...


Brief Introduction 

W21 alarm system adopts the up-to-date digital sensor and transfer technology, which integrates burglar and fire/gas protection for smart alarm system. W21 adopts voice, support IOS and Android App. Users can remotely control and program the alarm host Via App. It also supports multiple language. The system adopts WIFI/PSTN wireless network digital signal processing technology. When alarm happens, it will inform alert via voice, information push, pop-up alarm on screen. W21 alarm system is a advisable choice for personal house, working office and factory with fashionable appearance and multiple functions.

Main Features
◆WIFI and PSTN dual- network transmission alert, two network backup mode selection
◆32 wireless zone, 11 zone type are optional: disable, delay, burglar, perimeter, fire, gas, duress, panic, medical,      doorbell, smart.
◆Support 8 RFID cards, the name of RFID card can be modified by users.
◆Support 8 PSTN alarm phone numbers. When alarm happens, it will automatically dial preset phone numbers to inform the  user.
◆Support IOS and Android App, users can operate and program alarm host via App.
◆Support arm/disarm, system, alarm information push in multiple languages, alarm information pop-up on the screen, alarm  voice and vibration.
◆Zone name can be edited by users and can check all states of the host in real time.
◆Intelligently connecting with network in short time, the host panel can be controlled by more than 1 mobile phone at the  same time, joining networking center and centralizing monitoring of over 1 host panel with App.
◆Support remotely updated the firmware by App.
◆Real-time monitor the open/close state of door and window, protecting the armed zone from failure with open door/window.
◆Built-in siren, the volume have three level can adjust, can work with wireless siren.
◆Support remote operation by phone, support arm, disarm, monitoring and so on.
◆2 arming/disarming timers can be set based on weekdays and weekends.
◆Built-in high power capacity 800mAh 3.7V lithium battery can be standby 8 hours at
◆Support 100 pieces of latest alarm records and querying via APP .


A Sweet and Safe Home Complete Security System

Smart Sockets

Super Configured Function

Smart Setting for Arm/Disarm

Fast Calling For Alarm

Remote Monitoring/Speaking

Multiple Modes Gurantee You Best Guard

Remotely Control Your Smart Life

support 8 Alarm phone


battery Backup for power Failure

Technical Parameter

Heyi Electronics has been focused on various alarm products for many years and are known as a famous brand. Welcome to wholesale the wifi/pstn wireless home security intruder alarm system with our manufacturers and suppliers. And the customized service is also offered in our factory.