In Stock
Tuya 360 Degree Ceiling Infrared Motion Detector
Specification
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PST-HW400B Specifications
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Name
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Tuya Smart WiFi Ceiling PIR Sensor
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Model
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PST-HW400B
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APP Name
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Tuya Smart or Smart Life
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Color
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White
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Material
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ABS
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Power
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DC3V LR03*2 Battery
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USB input
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DC5V/2A (USB cannot be used with dry battery, only rechargeable battery)
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WiFi Standards
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IEEE 802.11 b/n/g 2.4G Hz
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PIR sensitivity angle
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360 degree
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PIR sensitivity distance
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6m
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Low-battery Detection
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Support
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Tuya Smart product Linkage control
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Support
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Operation Temp.
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–10°C to +50°C
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Humidity
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5%–95% non-condensing
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Installation
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Ceiling-mounted or Wall
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Dimension
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11.5*6*4.2cm
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Weight
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80g
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Carton Packing
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200PCS per carton: 15.5kg, 34*33*46cm
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PST-HW400B Package List
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WiFi PIR Sensor
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x1
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LR03 battery
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x2
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Double-sided tape
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x1
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Installation screws
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x2
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User Manual
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x1
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PST-HW400B Product FAQ
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Q1: What is this product?
A: This is a WiFi Ceiling PIR (Passive Infrared) Motion Detector. It can detect motion and is designed for home or office use. |
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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: How do I connect the sensor to my Wi – Fi network?
A: Download the Tuya Smart app from the app store. Open the app, create an account if you don’t have one. Then, follow the in app instructions to add a new device. Select the Wi – Fi vibration sensor and enter your Wi – Fi password when prompted. |
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Q4: What if my Wi – Fi signal is weak near the sensor’s location?
A: You may consider using a Wi – Fi extender or a mesh Wi – Fi system to boost the signal. Ensure that the sensor is within a reasonable range of your router for optimal connectivity. |
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Q5: Where should I install this motion detector?
A: It is designed to be installed on the ceiling for optimal motion detection coverage. |
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Q6: How does the PIR motion detection work?
A: PIR technology detects changes in infrared radiation emitted by moving objects. When an object with a different temperature than the background moves in its detection range, it triggers the detector. |
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Q7: How is the sensor powered?
A: The sensor is powered by 2PCS DC1.5V LR03 ultra alkaline AAA batteries and also can be DC5V USB. |
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Q9: How long does the battery last?
A: Battery life depends on usage frequency and sensitivity settings. Under normal usage and default settings, the battery can last approximately 6 months if trigger 10 times a day. |
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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: How quickly does it respond to motion?
A: It has a fast – response time and can detect motion and send signals within milliseconds. |
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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. Does it work in the dark?
A: Yes, since it uses infrared technology, it can detect motion regardless of lighting conditions. |
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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. What functions can I perform through the app?
A: You can adjust detection sensitivity, view motion detection history, set up alerts, and manage device settings. |
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Q17. The sensor is constantly sending false alerts. How can I fix this?
Lower the sensitivity level in the app. Also, check if there are any sources of constant vibrations near the sensor (e.g., appliances) and relocate it if needed. |
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Q18. The app can’t find the sensor. What’s wrong?
Ensure the sensor is powered on and in pairing mode. Also, check your phone’s Bluetooth and Wi – Fi settings, and make sure they are turned on. |
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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. What if the device stops detecting motion?
A: Check the detection settings in the app, make sure there are no obstructions in the detection area, and verify that the device is powered on and connected to WiFi. |
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R290.00
Key attributes
Alarm Type
App
App Support
Tuya
Feature
PIR Motion Sensor, App Remote Control
Network
Wi-Fi
Model Number
PST-HW400B
Detection Range
10-20 m
Material
ABS
Sensor Type
Motion Sensor
Brand Name
PST
Name
Tuya Smart WiFi PIR Sensor
Battery Type
LR03*2
Material
ABS
Low-battery Detection
Support
Tuya Smart product Linkage control
Support
WiFi Standards
IEEE 802.11 b/n/g 2.4G Hz
PIR sensitivity distance
6m
PIR sensitivity angle
360 degree ceiling-installation
Battery
LR03*2
APP name
TuyaSmart
Packaging and delivery
Selling Units
Single item
Single package size
13X7X5 cm
Single gross weight
0.380 kg
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