Main Features:
1.ZigBee Smart Siren Alarm with Sound Light Featured:2 IN 1 alarm system with 90dB sound and flashing light is specially designed for smart home security with real-time alarm,detecting house condition timely.
2.Smart Scene Linkage Functional with Tuya Gateway Required:Intelligent linkage the audible alarm to other smart home devices for smart scenes where alarm condition needed,even with schedule set available for choosing execution time to trigger the alarm at a preset time to your own demand;Tuya ZigBee gateway is required for this Tuya ZigBee alarm and highly recommended than other hubs for its wider compatibility.
3.Tuya Smart/Smart Life APP Compatible:Launch Tap-to-run the alarm sensor via APP after adding it to Smart Life APP,performing as a door bell;Monitor alarm record in APP for added convenience to keep house safe in a much easier way;Remotely check house condition under the scenes you have set in APP.
4.Advanced Features Available:Set the alarm volume with low,high,medium and alarm time by the range from 0s-30min,even with 18 alarm ringtone types optional for enjoyment;Freely on/off alarm via APP for more personalized user experience.
5.100% Wire-free with SimpleInstallation:Two charging methods are featured as USB charging or 2*CR123A battery powered(not included),together with battery level displayed in APP;includes full 2-year warranty and 60-day refund guarantee for complete satisfaction.

Specifications:

Product Name:Siren Alarm

Power Supply:5V/1A

Battery:CR123A-3V*2

Sound:90dB max.within 1 meter

Sound Type:18

Storage Temperature:0℃-50℃

Storage Humidity:0%-80%

Size:68mm*68mm*33mm

Alarm Duration:0-1800s

Wireless Distance:55M

Wireless Frequency:2.4GHz

Communication Protocol:ZigBee3.0

Package List:

Siren Alarm*1

Screw*1

3M Sticker*1

User Manual*1

USB Cable*1

Q&A:
1.Q:Is the alarm with temperature and humidity sensor built in?

A:No,it is an alarm sensor with sound and light only.
2.Q:Can I trigger the alarm by myself?

A:Yes,there is the alarm switch in APP to switch ON/OFF freely to your own need.
3.Q:Is it with hub required for APP connection?

A:Yes,this is the Tuya ZigBee version with hub required for APP connection.
4.Q:Can I check its history alarm record?

A:Yes,you can check the history record in APP,with automatic record featured also.
5.Q:Can I charge it via a USB cable?

A:Yes,it can be powered by battery and USB cable both.