Smart WiFi smoke detector sensor

🔥 Smoke detector and fire alarm system This product is a smart WiFi photoelectric smoke sensor. It can detect the presence of smoke in real time. Once a smoke hazard is detected, the sensor's red LED will send an alarm signal to remind you and your family in time. It can be widely used in homes, lounges, coffee shops, dance halls, and other places where fire alarm monitoring is required. (This sensor cannot detect gas or heat). ⚙️ Technical specifications: • Material: ABS • Wi-Fi: 802.11 b/g/n • Input voltage: AAA battery (battery not included) • Detection range: 20m² • Quiescent current: ≤10uA • Installation method: Ceiling type • Alarm current: ≤120mA • Operating temperature: -10°C ~ 50°C • Low voltage notification: ≤2.4V • Operating humidity: ≤95% • Alarm sound level: 90dB/1m • Size: 90*90*40mm 📦 Delivery and ordering: Please place your order, delivery is free.