Instant Smoke Detection • Loud 80dB Alarm • Wireless Signal • 9V Battery Powered

The T441R Wireless Smoke Detector provides fast, reliable fire detection using advanced photoelectric sensing. Equipped with an 80dB alarm, LED indicators, and wireless signal transmission, it is ideal for homes, apartments, offices, and small commercial spaces. Simple installation, long battery life, and strong safety performance make it a must-have for fire protection.

Early Fire Detection for Maximum Safety

This smoke detector reacts to smoke at the earliest stage of a fire, activating sound + light alarms and sending a wireless alarm signal to your security system (433MHz).

It operates independently or can be paired wirelessly with alarm hosts that support 1527/330K encoding.

🔧 KEY FEATURES

✔ Photoelectric Smoke Sensor (High Accuracy)

Detects smoke faster and with fewer false alarms compared to older ionization sensors.

✔ Dual Alarm: Sound + Flashing LED

• 80dB audible alarm

• Continuous LED blinking during smoke alarm
  

✔ Wireless Alarm Signal Transmission

Sends 433MHz wireless alerts up to 100m (open space).

✔ Long Battery Life (9V Battery)

Normal battery life up to 1 year, depending on environment.

✔ Easy Ceiling Installation

Choose from:

• Screw installation (recommended)

• Adhesive installation
  

✔ Low Battery Warning

LED blinks 2× every 90s + 2 short beeps, plus wireless low-voltage signal.

✔ Test & Mute Functions

• TEST button checks siren + wireless signal

• Mute mode silences the sound while LED continues blinking
  
  

📦 WHAT'S INCLUDED

• 1× PA-441R Smoke Detector

• 1× Installation Plate

• 2× Screws + Anchors

• 1× Adhesive Pad (optional mounting)

• 1× 9V Battery

• User Manual

📡 WIRELESS CONNECTIVITY

• Wireless Frequency: 433MHz

• Encoding: 1527 / 330K selectable

• RF Distance: ≥100m (open space)
  

Compatible with most 433MHz security alarm hosts.

🚨 ALARM STATUS INDICATIONS

Normal Mode

• LED: 1 blink every 90s

• Sound: None

Testing Mode

• LED: continuous blinking

• Sound: continuous beeping

Smoke Alarm

• LED: continuous blinking

• Sound: rapid beeping (loud)

Sound-Off Alarm Mode (Mute)

• LED: continuous blinking

• Sound: off

Low Battery

• LED: 2 blinks per 90s

• Sound: 2 beeps
  

🛠 INSTALLATION GUIDE

Installation Types:

✔ Screw Installation (recommended)
✔ Adhesive Installation (optional)

Screw Installation Steps:

1. Drill holes in the ceiling.

2. Insert plastic expansion anchors.

3. Fix the mounting plate using screws.

4. Attach detector and rotate until you hear a “kata” snap.
   

Adhesive Installation Steps:

1. Stick adhesive to mounting plate.

2. Stick plate to ceiling surface.

3. Rotate detector until it snaps locked.
   

⚠️ INSTALLATION PRECAUTIONS

• Indoor installation only

• Keep >50 cm away from lights

• Do NOT install in:

  • bathroom

  • wet areas

  • areas with non-fire smoke/steam

  • areas below 0°C or above 50°C

• Keep >150 cm from ventilation fans & AC vents

• If ceiling has cabinets, mount detector >60 cm away

• Test weekly using TEST button

🧰 MAINTENANCE

• Test weekly using TEST button

• Replace battery when low-voltage alarm occurs

• Keep surface clean (dust-free, moisture-free)

• Avoid installation without battery

• Maintain the adhesive if using adhesive installation

📊 TECHNICAL SPECIFICATIONS

🏠 IDEAL FOR

• Homes & Apartments

• Offices & Shops

• Workshops

• Rental Properties

• School Rooms

• Storage Rooms

🙋 FAQ SECTION

Q1: Does it work without a full alarm system?
✔ Yes! It works standalone with its own siren.

Q2: Can it send wireless alerts to my alarm panel?
✔ Yes—supports 433MHz 1527/330K alarm hosts.

Q3: Is the battery included?
✔ Yes, a 9V battery is included.

Q4: How often should I test it?
✔ Test once every week using the TEST button.

Q5: Does it detect heat or only smoke?
❌ This is a smoke-only photoelectric detector (safer & more accurate for early fire detection).

Protect your home with fast, reliable fire detection.
Get the T441R Wireless Smoke Detector today!