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2019 best price 9V battery operated smoke and heat detector
Main Features:
SR-820DHS Independent Photoelectric smoke & heat alarm
Battery operated or AC power with backup battery
Photoelectric sensing technology
Lower battery indication
Loud 85dB audio alarm
Instant test button
MCU processing
Test and hush button
57ºC(135ºF)fixed temperature alarm
Technological details:
| Model No | SR-820DHS |
| Operating voltage | 9V battery |
| Interconnection | N/A |
| Code form | N/A |
| Sending frequency | N/A |
| Radio distance | 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 |
Product Pictures
| 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.