Product features:

1.  2 or 4 wire models
   2. Dual LEDs for 360°visibility
   3.  Advanced detection and discrimination algorithms
   4. Easy installation and maintenance
   5. Sleek low-profile housing design
   6. Durable sensor head, no need for replacement
   7. SMD circuit board design-satisfactory quality and reliability guaranteed
   8. Integrated heat detector for PW-629-2H and PW-629-4H models
   9. Five-year limited warranty
   10. N/C (normal/close)-N/O (normal/open)selectable relay output
   11.AR (Auto Reset) function for security systems
   (optional for 4 wire models)
   12. Sensor base option: standard and Shottky Diode 

The Range includes: 

Sensor specification:

Product pictures:

FAQ:

1. Are you a factory or trading company?
A: We are a factory. We are a professional factory producing smoke alarms, gas alarms, co alarms, water alarms, etc...
 
2. Where is your factory? How can I visit there?
A:Our factory is located in Ningbo City, Zhejiang Province, China, about 2 hours train from Shanghai.  All our clients, from home or abroad, are warmly welcome to visit us!

3. Can you offer ODM/OEM?
A:Yes, we can offer ODM & OEM Service. Also, we can provide customized packaging and product design.
 
4. How can I get some samples?
A: We are honored to offer you free samples.
     Samples can be ready in about 2 days.
 
5. How does your factory do regarding quality control?
A: Quality is priority. Peasway people always attach great importance to quality controlling from the very beginning to the very end. 
 
6.  What is the lead time?
A: Generally, the lead time would be 10-25 days according to different orders.

7. Do you deal with small quantity sample order?
A: Yes