Home Fire Alarm with Multi-Device Interlinked Sensors

Protect your home and loved ones with a fire alarm system that connects multiple devices for total coverage. When one sensor detects smoke, all alarms sound, providing critical extra seconds to act.

Key Features

• Multi-device interlinked system covers multiple rooms or floors

• Wireless technology with over 100 m transmission range

• High-decibel alarm (85 dB / 3m) audible even outdoors

• Infrared photoelectric sensor reduces false alarms

• Relay function extends signal range for large homes

• Mute function temporarily silences false alarms (15 min)

• Easy installation and ceiling mounting

Specifications

• Alarm current: ≤300mA

• Static current: ≤15μA

• Battery type: Built-in 10-year lithium battery (≥2400mAh)

• Wireless: RF433MHz frequency

• Product size: 102 × 37 mm

• Sound level: >85 dB / 3 meters

• Working temperature: -10℃ ~ 55℃

• Working humidity: RH 15% ~ 95%

• Smoke sensor: Infrared photoelectric sensor

• Material: ABS

Package Contents

• 1 × WiFi Smoke Detector Sensor (Combination B)

• 3 × RF433 Wireless Smoke Sensors

• Mounting screws and ceiling brackets

• User manual

What Makes This a Smart Buy:
This alarm system ensures every part of your home is covered. Its interlinked sensors and long-range wireless technology give you a practical, reliable, and low-maintenance safety solution.