eufy Security Siren (105 dB Wireless Alarm)

  • Scare off would-be intruders and alert the neighborhood with this wireless 105 dB indoor/outdoor siren.
  • Loud 105 dB siren makes sure the alarm is heard when a security risk is detected.
  • IP65 weather-resistant design, so the siren can be used indoors and in sheltered areas outdoors too.
  • Easy to install without the need for tools or professional installation. Requires homebase to operate. Compatible with HomeBase S380 and S280.
  • One App Controls All. Links to HomeBase and the eufy Security app. Easily get notifications and check the battery status.
  • Takes two CR123 batteries which last up to 2 years.


  • Security Siren
    Security Siren
  • Entry Sensor
    Entry Sensor
  • Motion Sensor
    Motion Sensor
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Quick Intro

Clear and Loud—Hear the Alarm Everywhere

The adjustable volume can reach 105 dB, ensuring alarms can be heard any time whether indoors or outdoors.

Suitable for Indoor and Outdoor Use

IP65 Weather resistant for use both indoors and outdoors

Instant Alerts* When an Alarm is Heard

Through Sub-1G connectivity, HomeBase can be reached all throughout your home, allowing alerts to reach you on your phone in real time.

Connects with HomeBase S380 and S280

HomeBase makes sure you get instant notices* about your home via the app.


Technical Details


Is HomeBase necessary to receive notifications?
Is the volume of the siren adjustable?
What is the maximum operating distance from the siren to HomeBase?
What's included in the box?
Does Siren have adjustable volume?

eufy 105dB Security Siren
*Push notifications with thumbnail previews require thumbnail preview images to be temporarily stored in the cloud.

Customer Reviews

Based on 3 reviews

Didn’t ship on time. Offered refund and didn’t process this. Avoid buying from this company.


Crystal Clear 4K UHD Resolution:The standout feature of the eufy Security Indoor Cam S350 is its remarkable 4K UHD resolution. The clarity and detail in the footage are unparalleled, providing a crystal clear view of every corner of the room. Whether monitoring my baby, checking on pets, or ensuring home security, the 4K resolution sets a new standard for indoor cameras.8× Zoom for Precision Monitoring:The 8× zoom capability allows for precision monitoring, ensuring that no detail goes unnoticed. Whether I need to focus on a specific area or zoom in to check on a pet's well-being, the zoom function provides flexibility without compromising image quality. It adds a layer of control that enhances the overall monitoring experience.360° PTZ for Comprehensive Coverage:The 360° Pan-Tilt-Zoom functionality is a game-changer for comprehensive coverage. I can remotely pan, tilt, and zoom the camera to survey the entire room, eliminating blind spots. The versatility of the PTZ feature ensures that every angle is covered, providing a complete view of my home environment.Ideal for Baby Monitoring and Pet Watching:As a parent and pet owner, the eufy Security Indoor Cam S350 has become my go-to solution for baby monitoring and pet watching. The combination of high-resolution video, zoom, and PTZ features allows me to keep a close eye on my baby's crib or check on the antics of my furry friends with unmatched clarity.Human and Pet AI for Smart Alerts:The integration of Human and Pet AI enhances the camera's intelligence. It accurately distinguishes between human and pet movement, reducing false alarms. The smart alerts ensure that I am notified only when significant events occur, providing peace of mind without unnecessary interruptions.Dual-Band Wi-Fi 6 for Reliable Connectivity:The inclusion of Dual-Band Wi-Fi 6 ensures reliable and fast connectivity. The camera seamlessly connects to my home network, delivering a stable connection for real-time monitoring. The advanced Wi-Fi technology contributes to a smooth and responsive user experience.User-Friendly Setup and Operation:Setting up and operating the eufy Security Indoor Cam S350 is remarkably user-friendly. The intuitive app interface guides users through the setup process, and the straightforward controls make it easy to customize camera settings. It's a hassle-free experience from installation to day-to-day use.Sleek and Discreet Design:The sleek and discreet design of the camera allows it to seamlessly blend into my home decor. It doesn't draw unnecessary attention, making it an unobtrusive addition to any room. The thoughtfully designed aesthetics contribute to the overall appeal of the camera.Secure Data Storage Options:The camera offers multiple options for secure data storage. Whether I choose local storage using a microSD card or opt for cloud storage, the flexibility ensures that I have control over how and where my footage is stored. The emphasis on data security is a reassuring aspect of the eufy ecosystem.Exceptional Value for Home Security:Considering its advanced features, 4K UHD resolution, and versatile applications, the eufy Security Indoor Cam S350 offers exceptional value for home security. It provides a level of monitoring and control that surpasses traditional indoor cameras, making it a wise investment for those prioritizing the safety of their home and loved ones.In conclusion, the Security Indoor Cam S350 has set a new standard for indoor security cameras. Its 4K UHD resolution, PTZ capabilities, and intelligent features make it a standout choice for those seeking comprehensive and high-quality home monitoring. Whether it's keeping an eye on family members or safeguarding my home, this camera delivers total peace of mind.


Cupboards and shelves bought them few years back reliable
going strong