Gaoducash YG400A Smart Smoke Detector Fire Alarm: WiFi connectivity with app notifications via Tuya Smart or Smart Life App
This smart smoke detector is for the homeowner who wants more than a loud beep. It's for the parent who needs to know about a potential kitchen mishap while at work, or the remote caregiver who wants to check on an elderly relative's safety. While many alarms focus on loud alerts, this device gives you proactive peace of mind through your smartphone.
You receive instant app notifications for alarms, faults, or low battery warnings, so you can act fast even when you're not home. The advanced photoelectric sensor reduces false alarms from cooking smoke, and you can link it with other Tuya smart devices—like setting lights to flash red when smoke is detected. The self-check feature sends an alert if there's an issue, and installation is straightforward with included batteries and screws. This isn't just a detector; it's a connected tool that helps you protect what matters most.
Features
- Advanced photoelectric and electrochemical sensor technologies for reliable detection
- Smart home automation integration with other Tuya devices
- Test and silence button for weekly checks and immediate alerts
- Flame-retardant ABS material for durability and easy installation
- WiFi connectivity with app notifications via Tuya Smart or Smart Life App
General specs
- Brand: Gaoducash
- Model: YG400A
- Seller: Retailer
- ID: B0CJZXN26V
- Weight: 118
- Material: ABS Plastic
- Detection: Smoke
- Pack Size: 1
- Alert Type: App Notification, Audible
- Dimensions: 84.6, 44.7, 84.6
- : 2.4 GHz
- Battery Size: AAA
- Battery Type: Alkaline
- Connectivity: Wi-Fi
- Power Source: Battery
- App Ecosystem: Tuya/Smart Life
- CO Sensor Type: Electrochemical
- Alarm Sound Level: 85
- Batteries Included: Yes
- Voice Assistant Compatibility: Google Assistant
- First listed by seller: January 16, 2026
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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| Brand | Gaoducash | Soewolit | Evjeal | Evjeal | Soewolit | Soewolit |
| Model | YG400A | SO507YW | CDR-811 | CDR-811 | SO507YW | KT0917 |
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| Price | €24.47 | €90.89 | €32.68 | €17.82 | €54.19 | €86.75 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Apr 29, 2026 | Mar 21, 2026 | Mar 25, 2026 | Mar 25, 2026 | Mar 21, 2026 | Apr 3, 2026 |
| Weight | 118 | 548.85 | 45 | 45.36 | <num1>, <num2> | |
| Material | ABS Plastic | Plastic | Plastic | Plastic | ||
| Detection | Smoke | Smoke | Smoke | Smoke | Carbon Monoxide, Smoke | |
| Pack Size | 1 | 6 | 2 | 1 | 3 | 3 |
| Alert Type | App Notification, Audible | App Notification, Audible, Visual | App Notification, Audible | App Notification, Audible | App Notification, Audible, Visual | |
| Dimensions | 84.6, 44.7, 84.6 | 76.2, 55.88, 76.2 | 90, 90, 30 | 90, 90, 30 | 107, 102, 102 | |
| 2.4 GHz | 2.4 GHz | 2.4 GHz | 2.4 GHz | 2.4 GHz | ||
| Battery Size | AAA | AAA | AAA | |||
| Battery Type | Alkaline | Lithium Metal | Alkaline | Alkaline | CR2032 | |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi‑Fi | Wi-Fi |
| Power Source | Battery | Battery | Battery | Battery | Battery | |
| App Ecosystem | Tuya/Smart Life | Tuya/Smart Life | Tuya/Smart Life | Tuya/Smart Life | Tuya/Smart Life | |
| Alarm Sound Level | 85 | 85 | 85 | 85 | ||
| Batteries Included | Yes | Yes | Yes | Yes | Yes | |
| Voice Assistant Compatibility | Google Assistant | Google Assistant | Alexa, Google Assistant | Alexa, Google Assistant | ||
| Mounting Type | Ceiling-Mounted, Wall-Mounted | Ceiling-Mounted | Ceiling-Mounted | Ceiling Mount, Wall Mount | ||
Gaoducash YG400A
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