ANWETECH AT-S228 is a WiFi photoelectric smoke alarm designed for residential and commercial indoor applications. Powered by 2 × AA batteries, it provides local sound and light alarm together with real-time wireless notification, making it suitable for homes, apartments, offices and public buildings.
The ANWETECH AT-S228 is a WiFi photoelectric smoke alarm designed to provide early warning of fire through both local alarm and wireless notification. It uses photoelectric smoke sensing technology for effective detection of smoldering fires and helps improve fire safety in homes, apartments and similar indoor spaces.
With built-in 2.4 GHz wireless communication, the detector can transmit alarm information in real time and supports interconnection between multiple devices. When one alarm is triggered, the connected alarms can respond together, improving overall fire warning efficiency in larger spaces or multi-room applications.
Powered by 2 × AA batteries, the AT-S228 combines low standby current, easy ceiling installation and stable wireless performance. It is suitable for residential, hospitality, educational and light commercial projects where wireless smoke detection and APP-based alarm notification are required.
Model: AT-S228
Product type: WiFi photoelectric smoke alarm
Power supply: 2 × AA battery
Working voltage: DC3V
Standby current: <20uA
Alarm current: <100mA
Coverage area: 20–40 m²
Working temperature: 0°C to +55°C
Relative humidity: ≤85% RH
Alarm sound pressure: ≥85dB at 3 m
Wireless frequency: 2.4 GHz
Wireless standard: IEEE 802.11 b/g/n
Maximum interconnection quantity: 200 wireless alarms
Transmission distance: >250 m (open air)
Installation way: Ceiling mounted
Standard: EN14604
