Protecting your home and family starts with early fire detection. The EZVIZ T4 Smart Smoke Detector is designed to deliver round-the-clock fire safety with its loud siren, flashing LED alert, and smartphone notifications. Unlike traditional alarms, this wireless smoke detector uses advanced photoelectric sensing technology to detect smoldering and fast-burning fires accurately, giving you the critical time needed to act.

With a 10-year built-in lithium battery, the T4 Smoke Detector offers hassle-free, uninterrupted protection without the need for hardwiring. Whether you live in an apartment, a single-family home, or a multi-story residence, this smart smoke alarm provides reliable fire safety you can trust.

Why Choose the EZVIZ T4 Smoke Detector?

The T4 is not just another fire alarm—it’s an intelligent smoke detection system that combines traditional safety functions with smart home connectivity. Here are the top reasons why it stands out:

• Loud 85-dB Siren with Flashing LED Alerts – Ensures every family member is warned during emergencies.

• 360° Smoke Detection Coverage – Detects smoke effectively from all angles.

• Wireless Battery-Powered Design – No wiring needed, works even during power outages.

• Up to 10-Year Protection – Long-lasting lithium battery ensures peace of mind.

• Interconnectivity with up to 10 Units – One alarm triggers others for whole-home safety.

• EZVIZ App Alerts via Alarm Hub – Get instant notifications even when away.

• Easy Test & Hush Button – Quick way to silence false alarms and check functionality.

This makes the T4 Wireless Smoke Detector perfect for modern households, offering trusted fire protection and smart integration for complete peace of mind.

EZVIZ T4 Smart Smoke Detector Features

Loud 85-dB Siren with Light Alerts

EZVIZ T4 Smoke Siren And Lights

The EZVIZ Smoke Alarm issues a powerful 85-dB siren paired with a flashing red LED light, ensuring that everyone in the home is alerted immediately. Even in noisy environments or at night, this fire alarm system makes sure danger doesn’t go unnoticed.

360° Omni-Directional Smoke Detection

With all-directional detection, the T4 Smoke Detector provides faster and more reliable responses compared to conventional alarms. Whether smoke originates from the kitchen, hallway, or living room, this wireless smoke detector won’t miss it.

Smart App Notifications with EZVIZ Hub

When connected to an EZVIZ alarm hub, the T4 Smart Smoke Detector sends instant alerts straight to your smartphone. This way, you’ll know about any fire hazards even if you’re at work, traveling, or away from home.

Up to 10-Year Battery Life

Forget about frequent battery changes. The long-lasting lithium battery keeps the detector powered for up to a decade. When the battery runs low, the detector issues a red flashing light and short beeps, reminding you to replace it.

Easy Grouping of Multiple Units

Safety should cover the entire home. The T4 Smoke Detector allows interconnection with up to 10 units. If smoke is detected in one room, all detectors sound off, ensuring whole-home fire protection.

Test & Hush Button

EZVIZ T4 Test / Hush Button

The Hush/Test button makes it simple to silence false alarms, such as smoke from cooking, and also allows you to run regular safety checks. With a long press, you can confirm that the sensor and battery are functioning properly.

Fewer False Alarms

The photoelectric sensor detects light smoke with high sensitivity but reduces false alarms from dust or cooking vapors. This ensures you’re only alerted to genuine threats.

T4 Smart Smoke Alarm For Reliable Home Protection

Advanced Smoke Detection Technology

The EZVIZ T4 Smart Smoke Alarm uses photoelectric sensing technology, which is more effective at detecting slow-burning fires compared to older ionization sensors. This makes it especially useful for detecting smoldering household fires that could otherwise go unnoticed.

Reliable Wireless Design

Unlike wired alarms, this wireless smoke detector continues to function even during power outages, making it a dependable safety device in emergencies.

Seamless Integration with Smart Homes

When paired with EZVIZ alarm hubs, the T4 detector becomes part of your smart home ecosystem, working alongside motion sensors, security cameras, and sirens for complete home fire and intrusion protection.

Benefits of the T4 Smart Smoke Alarm

• Peace of Mind 24/7 – Protects your home whether you’re present or away.

• Quick Emergency Alerts – Loud siren and app notifications for fast response.

• Easy to Install – No wiring, just mount it with the included kit or foam sticker.

• Certified Quality – Meets CE / WEEE / REACH / RoHS standards for safety.

• Wide Operating Range – Functions in environments from -10°C to +50°C.

This makes the EZVIZ T4 Wireless Smoke Detector a must-have for families, apartments, and offices.

EZVIZ T4 Smoke Detector Specifications

• Model: Smoke Detector (EU)

• Power Source: DC 3V Lithium Battery, 2300 mAh

• Alarm Sound Level: ≥ 85 dB @ 3 m (Temporal 3 Signal Patterns)

• Detection Range: 360°

• Interconnected Units: Up to 10

• RF Operating Frequency: 868 MHz

• Visual Indicator: Red LED Light

• Operating Temperature: -10°C to +50°C

• Operating Humidity: 10% to 90% RH (non-condensing)

• Dimensions: Φ 102 × 36 mm (Φ 4.02 × 1.42 inch)

• Certifications: CE / WEEE / REACH / RoHS

What’s in the Box:

• T4 Smoke Detector

• Screw Kit

• Foam Sticker

• Drill Template

• Quick Start Guide

Final Verdict—Is the EZVIZ T4 the Best Wireless Smoke Detector?

If you’re looking for a reliable, long-lasting, and smart smoke alarm, the EZVIZ T4 Smoke Detector is an excellent choice. With its loud siren, flashing LED, smartphone alerts, and 10-year battery life, it delivers a complete fire safety solution for any household.

Unlike traditional alarms, it not only warns you when you’re home but also keeps you informed remotely through the EZVIZ app. Plus, its wireless design, easy installation, and interconnectivity with multiple units make it suitable for apartments, multi-story houses, and workplaces.

✅ In short, the EZVIZ T4 Smart Smoke Detector is a dependable, modern, and smart fire protection system that ensures your family’s safety day and night.