MOES WSS-S-SSD-A Wi-Fi Photoelectric Smoke Detector with Tuya App Alerts, 85dB Siren, CR123A Battery Powered, Works with Alexa & Google Assistant, White

Every second counts when a fire starts. The MOES WSS-S-SSD-A Wi-Fi Smoke Detector uses a photoelectric sensor to detect slow-smoldering fires early and sounds an 85dB alarm, while instantly sending a notification to your phone via the Tuya Smart or Smart Life app—even when you're away from home. No hub required; connect directly to your 2.4GHz Wi-Fi network.

Who is it for

Homeowners, renters, and small business owners who want reliable fire detection with remote alerts and smart home integration. Ideal for bedrooms, hallways, kitchens (away from cooking fumes), and offices.

Main features

• Photoelectric smoke sensor for early detection of smoldering fires
• Loud 85dB alarm at 3 meters ensures you wake up or notice danger
• Wi-Fi connectivity (2.4GHz) with real-time push notifications to your smartphone
• Works with Amazon Alexa and Google Assistant for voice announcements (via Tuya)
• Battery powered with 1x CR123A lithium battery (included), lasts up to 1-2 years
• Low battery alert via app and LED indicator
• Test/silence button for easy weekly checks and false alarm silencing
• Ceiling or wall mountable with included screws and anchors
• Compact ABS plastic housing, white finish blends with any decor

Specifications

• Brand: MOES
• Model: WSS-S-SSD-A-EN
• Connectivity: Wi-Fi IEEE 802.11b/g/n (2.4GHz only)
• Sensor type: Photoelectric
• Alarm sound level: ≥85dB at 3 meters
• Power source: 1x CR123A 3V lithium battery (included)
• Battery life: up to 1-2 years (depending on usage)
• Standby current: <15μA; Alarm current: <120mA
• Operating temperature: 0°C to 50°C (32°F to 122°F)
• Operating humidity: 10% to 95% RH (non-condensing)
• Detection area: up to 20-40 m²
• Mounting type: Ceiling/wall mount
• Material: ABS plastic
• Certifications: CE, RoHS
• Dimensions: 100mm diameter x 35mm height
• Weight: 120g (without battery)
• Warranty: 2 years

Tips

Install at least one detector on every floor, especially near bedrooms. Test weekly using the button. Avoid installing near windows, doors, or air vents where drafts may delay detection. Replace battery immediately when low battery alert appears. For best Wi-Fi signal, ensure the detector is within range of your router.