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- Place of Origin:
- Guangdong, China
- Brand Name:
- SUMRING
- Model Number:
- SR-820DHS
- name:
- Best Selling battery operated combination smoke and heat detector
- Operating voltage:
- 9V battery
- Interconnection:
- N/A
- Alarm temperature:
- 57℃
- Sensitivity:
- 2.06%ft±1.3%ft
- Sound level:
- 85dB/3 meter
- Installation:
- Wall or Ceiling mounted
- Working environment:
- -10℃~+50℃(≤95%RH No congelation)
- Dimension:
- 128*38mm
- Usage:
- Fire protection
- Supply Ability:
- 20000 Piece/Pieces per Month
- Packaging Details
- netural color box for combination smoke and heat detector
- Port
- Shenzhen
- Picture Example:
![package-img]()
- Lead Time:
Quantity(Pieces) 1 - 500 >500 Est. Time(days) 10 To be negotiated
Best Selling battery operated combination smoke and heat detector
SR-820DHS Independent Photoelectric smoke & heat detector
9V Battery operated with 2-3 years use life
Photoelectric sensing technology
Lower battery indication
Loud 85dB audio alarm
Instant test button
MCU processing
Test and hush button
57ºC(135ºF)fixed temperature alarm
High temperature alarm
Immediately report to the police when temperature more than 57 degrees
Technological details:
| Model No | SR-820DHS |
| Operating voltage | 9V battery(2-3 years use life) |
| Interconnection | N/A |
| Alarm temperature | 57℃ |
| 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 |
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| Delivery Time | |
| Sample order | 1-3 working days |
| Bulk order | 25-35 working days |
| Stock order | 7-10 working days |
Q1:Are you manufacture or trading company?
A1:We are a professional manufacture specialize in fire alarm products.
Q2:What is the moq?
A2:As usual,there is ready stock for our regular & hot selling models.
So any order quantity is welcome.
Q3:Can I customize LOGO and customized functions?
A3:Yes you can. Packaging, products, instructions can be printed logo. and functions we have professional R&D team to support best service.
Q4:How about the quality of your products?
A4:Our raw materials are purchased from qualified suppliers.
Q5:How long is the warranty time of the products?
A5: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.