| PST-CT20W Specifications | |
| Name | Tuya Smart WiFi PIR Motion Sensor Alarm |
| Model | PST-CT20W |
| APP Name | Tuya Smart or Smart Life |
| Color | White |
| Material | ABS |
| Working voltage | 5V Typc C(power supply not included) |
| Backup Battery | AAA1.5V*2 (not included) |
| WiFi Standards | IEEE 802.11 b/n/g 2.4G Hz |
| Pet-proof: | ≤ 15kg |
| PIR sensitivity angle | 110 degree |
| PIR sensitivity distance | 6-9m |
| Alarm sound: | ≤ 90dB |
| Alarm method | Sound & Light |
| Tuya Smart product Linkage control | Support |
| Operation Temp. | –10°C to +50°C |
| Humidity | 5%--95% non-condensing |
| Installation | Wall-mounted |
| Box Dimension | 13*6.5*4cm |
| Unit Weight | 130g |
| PST-CT20W Package List | |
| WiFi PIR Sensor | x1 |
| Bracket | x1 |
| User Manual | x1 |
| PST-CT20W Product FAQ | |
| Q1: What is this device? This is a Wi - Fi enabled smart sensor that can be integrated with various smart home platforms like Tuya Smart, Smart Life, Google Assistant, and Amazon Alexa. It's designed to detect motion or other relevant activities and communicate with your smartphone. |
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| Q2: What are the main functions of this sensor? It mainly detects motion. Once motion is detected, it can send notifications to your smartphone via the connected app, and can also be integrated into smart home automation scenarios. |
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| Q3: Is it suitable for both indoor and outdoor use? It's mainly designed for indoor use. Using it outdoors may expose it to harsh weather conditions that could affect its performance and lifespan. |
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| Q4: How do I install the sensor? Typically, it comes with adhesive or mounting brackets. Clean the surface where you want to install it, then attach the sensor firmly. Make sure it has a clear view of the area you want to monitor. |
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| Q5: Can I install it on any type of wall? It can be installed on most smooth walls. For rough or uneven surfaces, you may need to use additional mounting accessories or ensure the adhesive has a good grip. |
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| Q6: How do I connect the sensor to my Wi - Fi network? Open the relevant app (usually Tuya - based). Put the sensor in pairing mode (refer to the user manual for instructions), then follow the in - app prompts to connect it to your 2.4GHz Wi - Fi network. |
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| Q7: What if my Wi - Fi signal is weak near the installation location? You can try moving the sensor to a location with better Wi - Fi coverage or install a Wi - Fi extender in the area to boost the signal. |
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| Q9: Does it support 5GHz Wi - Fi networks? Most likely, it only supports 2.4GHz Wi - Fi networks. |
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| Q10: How does it work with Tuya Smart? After connecting the sensor to your Wi - Fi and adding it to the Tuya app, you can control and monitor it through the Tuya Smart interface. You can also set up automation rules within the Tuya ecosystem. |
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| Q11: How sensitive is the motion detection? The sensitivity can usually be adjusted in the app. You can set it to detect only significant movements or be more sensitive to minor motions depending on your needs. |
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| Q12: Does the sensor work with voice assistants? A: It supports Amazon Alexa and Google Assistant. |
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| Q13. What if I can't find the sensor in the app? First, make sure the sensor is in pairing mode. Check your Wi - Fi connection and ensure the app is up - to - date. You can also try restarting the sensor and the app. |
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| Q14. Can I share access to the sensor with other family members? Yes, in the app, there are usually options to share device access. You can invite family members by sending them a link or adding their account details, depending on the app's sharing features. |
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| Q15. How long does the battery last? Battery life depends on usage frequency and settings. On average, it can last several months, but more frequent detections or higher - sensitivity settings may shorten the battery life. |
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| Q16. How do I know when the battery needs to be replaced? The app will typically send a low - battery alert when the battery level is critically low. |
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| Q17. The sensor is not detecting motion. What should I do? Check the sensitivity settings in the app and adjust if needed. Also, make sure there are no obstructions in front of the sensor and it's properly installed and powered. |
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| Q18. I'm receiving false motion detections. How can I fix this? Lower the sensitivity setting in the app. Also, check if there are sources of false triggers like moving curtains, ventilation, or pets, and adjust the sensor's position if necessary. |
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| Q19. The app is not receiving notifications. What's wrong? Ensure that notification permissions are enabled for the app on your smartphone. Also, check your phone's network connection and make sure the sensor is properly connected to Wi - Fi. |
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| Q20. Can make OEM? A: Yes, we can. PID OEM:1000PCS Box & manual OEM: 1000PCS, if only 500PCS extra charge 0.20USD/PCS; Laser Logo: 100PCS |
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