| PST-YG400A Specifications | |
| Name | Tuya Smart WiFi Smoke Sensor |
| Model | PST-YG400A |
| APP Name | Tuya Smart or Smart Life |
| Color | White |
| Material | ABS |
| Power Battery | DC3V AAA1.5V*2 (Included) |
| WiFi Standards | IEEE 802.11 b/n/g 2.4G Hz |
| Standard Current | ≤ 15uA |
| Average Current | ≤ 220mA |
| Low-battery Detection | ≤ 2.4V |
| Tuya Smart product Linkage control | Support |
| Alarm sound level | 85db/1m |
| Detecing Range | 20 Square meter |
| Operation Temp. | –10°C to +50°C |
| Humidity | 5%--95% non-condensing |
| Installation | Ceiling mounted |
| Box Dimension | 8.5*8.5*5cm |
| Unit Weight | 120g |
| PST-YG400A Package List | |
| WiFi Smoke Sensor | x1 |
| DC3V AAA1.5V | x2 |
| Double-sided tape | x1 |
| Installation Screws | x2 |
| User Manual | x1 |
| PST-YG400A Product FAQ | |
| Q1: What is this product? This is a WiFi smoke alarm, which can detect smoke and alert you of potential fire hazards. |
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| Q2: Which WiFi frequencies does it support? A: It supports 2.4G Hz b/g/n WiFi frequencies. |
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| Q3: Can I control the WiFi smoke sensor using voice commands? Absolutely. It works with Amazon Alexa and Google Assistant, allowing you to control it via voice. |
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| Q4: How does the sensor detect smoke? It has high - sensitivity smoke detection. When a fire breaks out, the sensor can detect smoke sensitively. |
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| Q5: What happens when the sensor detects smoke? When smoke is detected, the built - in buzzer sounds, there is an APP alert push, and a dazzling red light flashes with the alarm. |
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| Q6: What is the detecting range of the WiFi Smoke Sensor? The detecting range is 20m². |
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| Q7: Does the WiFi Smoke Sensor support device sharing? Yes, you can easily share devices among family members. |
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| Q8: How should I install the WiFi Smoke Sensor? It should be ceiling - mounted. |
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| Q9: What should I do when the low - battery alert is triggered? When the low - battery alert is triggered (the red LED flashes two times every 60 seconds), you should replace the two AAA1.5V batteries. |
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| Q10: What should I do if the sensor doesn't connect to my Wi-Fi network? 1. Check the Basics Power: Ensure the sensor is properly powered. Wi - Fi Signal: Make sure the sensor is within range of your Wi - Fi router. 2. Reset the Sensor 3. Re - add the Device in the App 4. Check Router Settings 5. Update Router and App Firmware |
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| Q11: Can I control multiple WiFi smoke sensors with one APP? Yes, you can add and control multiple devices at once with the TuyaSmart App. |
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| Q12: Can the WiFi Smoke Sensor be used in different types of places? Yes, it can be used in places like homes, warehouses, enterprises, schools, hospitals, and restaurants. |
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| Q13. Does the sensor support voice control? It supports voice control via Amazon Echo and Google Home when integrated with the TuyaSmart ecosystem. |
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| Q14. Which app should I use to control this device? A: You can use the Tuya - supported app. You can download it from the App Store (for iOS) or Google Play (for Android). |
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| Q15. Can I control the device remotely? A: Yes, as long as the device is connected to WiFi and your phone has an internet connection, you can control it remotely through the app. |
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| Q16. Can the WiFi Smoke Sensor work with other smart devices? Yes, it supports all Tuya Smart product linkage control, enabling it to work with other Tuya - compatible smart devices. |
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| Q17. Is the WiFi Smoke Sensor compatible with both Android and iOS devices? Yes, it is available on the Google Play for Android and the App Store for iPhone. |
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| Q18. What functions can I perform through the app? You can receive real - time smoke detection alerts, check the status of the alarm, and in some cases, perform device settings and updates. |
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| Q19. Can someone else access my sensor's data? As long as you keep your app account credentials secure, and your Wi - Fi network is protected, it's very unlikely that others can access your sensor's data. |
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| Q20. How do I know if the alarm is working properly? You can perform a test through the app or by using the test button on the alarm itself (if available). The alarm should sound and the app should receive a test alert. |
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| Q21: What should I do if the alarm goes off? If the alarm goes off, first ensure there is no actual fire or smoke source. If it's a false alarm, you can usually silence it through the app or by pressing the reset button on the alarm (if applicable). If there is a real fire, evacuate the area immediately and call the fire department. |
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| Q22: How often should I replace the battery (if battery - powered)? Battery replacement frequency depends on usage and battery type. As a general rule, for battery - powered smoke alarms, batteries should be replaced at least once a year. |
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| Q23: How do I clean the smoke alarm? You can gently clean the exterior of the alarm with a soft, dry cloth. Avoid using water or harsh chemicals as they may damage the device. |
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| Q24. Can make OEM? A: Yes, we can. PID OEM:500PCS Box & manual OEM: 1000PCS, if only 500PCS extra charge 0.20USD/PCS; Laser Logo: 100PCS |
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