Mouse over to zoom in

Smart WIFI + APP Fire Smoke & Temperature Sensor

Smart WIFI + APP Fire Smoke & Temperature Sensor

Smart 2 in 1 Wireless Smoke Temperature Detector Alarm/ APP Remote Control/ Home Security Alarm System/ PA-438W

Price on the app only:

Already have TOMTOP APP

Scan the product's code to buy directly!

Note: Please update TOMTOP App to the latest version.


Download freely and enjoy extra offers!

Ship From:
  • China Warehouse
Please select a warehouse
Usually will be shipped in business days hours
The request failed! Please try again.
Sorry, it seems that there are no available shipping methods for your location.Please contact us for further assistance.


Ship to

United States
Stock in: china

For each user order no more 5 item(s)

Special discount has ended

Please note each user for only 1 item(s)

Preorder Add To Cart Out of Stock

Arrival Notice

if the goods arrival in 90 days,we will inform you by email!


Arrival Notice

Notification Subscription Success!

if the goods arrival in 90 days,we will inform you by email!

Notification Subscription Failed!

Error appeared,Please try again later!

Arrival Notice

Buyer Protection

  • Full Refund If you don't receive your order
  • Full or Partial Refund , If the item is not as described Learn More >
*High sensitivity smoke detection, and built-in thermistor sensor, together with high temperature alarm function. 
*Exclusive smoke intelligent algorithm, high sensitivity, no false alarm, strong anti-interference. 
*With voice prompts function, sound and light alarm ensure stable and reliable alarm performance. 
*WiFi connection, smart APP control and push alarm information remotely, get real-time work situation. 
*With manually test, manually mute.

Working voltage: DC3V
Built-in Battery: 1 * 3V CR123A 1400mAh Li-ion battery (non-rechargeable) (included)
Static current: ≤10uA    
Alarm current: ≤350MA 
Smoke sensitivity: II grade 
High temperature of alarm: 57°C±5°C (can set the temperature value in APP, setting range: 40°C -70°C)
Alarm Sound: ≥80dB
Material: ABS 
Working Temperature: -10°C~60 °C
Work Humidity: ≤95%RH, no freezing
Item Size: Approx. 10.5 * 10.5 * 4.5cm (L*W*H)
Item Weight: Approx. 127g / 4.5oz

Package Information:
Package Size: Approx. 11.2 * 11.2 * 6cm / 4.4 * 4.4 * 2.4in
Package Weight: Approx. 165g / 5.8oz              

Package List:
1* WIFI+APP Smoke & Temperature Sensor
1* Bag of Mounting Screws
1* User Manual
1* Double Sticker


Post a new topic

Please note that TOMTOP Forums are a community for all communicating and getting help each other. There will be some enthusiastic friends participate in your discussions. Of course TOMTOP customer service (with tomtop customer service icon) response is guaranteed ,which is the same way you contact us at

open this forum in full page
Customer Reviews

There are no customer reviews yet.

  • 5 stars
  • 4 stars
  • 3 stars
  • 2 stars
  • 1 stars

Share your thoughts with other customers and get Tomtop Points, the first 5 reviews get DOUBLE Tomtop Points!

Write a Customer Review
Be the first to review this item

Top Sellers More

Please activate your account first. We will resend the activation email to help you complete your registration.

Recently Viewed


TOMTOP use cookies to give you the best shopping experience. If you continue to use our services or create a new account, we will assume that you agree to our  Privacy Policy.

Tell us which product you want to Social Saving

Click the refresh verification code