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China guangdong 9v 220v battery ac smoke alarm 433mhz optical wireless smoke detector
Cheap industri Wireless connected network standalone 220v smoke detector with output relay
Main Features:
Wired or wireless interconnection function
Wireless network function
Auto-check malfunction
Infrared photoelectric sensor
MCU processing, eliminate false alarm
Photoelectric sensing technology
Dustproof, mothproof, anti-light interference design
Hush function
Lower battery indication
Execute criterion: EN14606; UL217
Technical specification
| Model No. | SR-820PHWR-AC |
| Operating voltage | AC110/220V(9V backup battery) |
| Interconnection | Install within the radius of 200 m |
| Hush function | YES |
| Code form | 2262/1527 |
| Sending frequency | 433MHz/315MHz |
| Radio distance | 200 m(open area) |
| Sensitivity | 2.06%ft±1.3%ft |
| Sound level | 85dB/3m |
| Installation | Wall or Ceiling mounted |
| Working environment | -10℃~+50℃(≤95%RH No congelation) |
| Dimension | 128*38mm |
Product Pictures:
1:Can I get one sample for test before big order ?
Sure, you can.Please leave a message we will contact you soon.
2. Can I customized LOGO?
Yes you can. Packaging, products, instructions can be printed logo.
3. Can I customized functions?
Yes you can, we have professional R&D team to support best service, and give you best suggestions.
4. How about the quality of your products?
Our raw materials are purchased from qualified suppliers. And we have a strong quality control team to guarantee our products quality.
5. How long is your products quality warranty?
The warranty period is 2 years from the factory, if there are individual quality problems, we will replenish the customer in the next batch of orders
6. When can you ship out my order after my payment?
Normally samples order: about 5-7 days; mass order 2-3 weeks.
7. Can I visit your factory and company office?
Sure, welcome ,any time!
Shenzhen SUMRING Technology Co. Ltd is a Hi-tech enterprise specialized in the research & development of security and fire alarm products, including PIR detector, smoke detector, gas leakage detector, Carbon Monoxide detector, fire alarm bell/strobe siren, manual call point, magnetic contact ,BT Module etc. Enter more