Zigbee Smart Fire Detector – Smoke + Heat + Humidity Sensor (3-in-1) – 80dB Alarm – Controlled via Tuya/Smart Life App

Model number: WL-228WZH

Key advantages

Three-function sensor: smoke + temperature + humidity (one device).
Control and notifications via the Tuya / Smart Life app on your phone.
A powerful audible alarm of approximately 80 dB@1m for rapid alert.
Low battery voltage alert when it reaches ≤ 2.4V.
Ultra-low power consumption (≤ 10µA quiescent current).
Easy installation on the ceiling without complications.

Technical specifications

Protocol	Zigbee
Supporting application	Tuya / Smart Life
Alarm volume	≈ 80 dB at a distance of 1 meter
approximate detection range	Approximately 20 m²
power source	DC 3V battery (LR03 – usually AAA batteries)
Calm current	≤ 10 µA
Low voltage alert	≤ 2.4 V
Approximate battery life	6-8 months (depending on usage conditions)
Installation method	Ceiling installation
Material	ABS plastic
Package dimensions	9.2 × 9.2 × 4.3 cm
Total weight of the package	≈ 0.120 kg
Warranty	One year
the color	white

Usage and Installation

Install it on the ceiling in high-traffic areas (living rooms, hallways, offices...).
Link it to the app to monitor smoke, temperature, and humidity readings and receive alerts.
Make sure to replace the batteries when the low voltage warning appears.

Note: Actual battery life may vary depending on alert intensity, environment, and temperature.