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- Place of Origin:
- Guangdong, China
- Brand Name:
- SUMRING
- Model Number:
- SR-821THS
- Power:
- DC3V (2x1.5v AA alkaline batteries)
- Static current:
- ≤10uA
- Alarm current:
- ≤25mA
- Name:
- smoke alert smoke detector and carbon monoxide
- Alarm output:
- Sound &Flash alarm
- Sensitivity:
- 0.16dB/m(±0.05dB/m)/150PPM±50PPM
- Sound level:
- 85dB/3m
- Installation:
- Wall or Ceiling mounted
- Working environment:
- -10℃~+50℃(≤95%RH No congelation)
- Dimension:
- 110*45mm
Packaging & Delivery
- Selling Units:
- Single item
- Single package size:
- 11.2X11.2X4.7 cm
- Single gross weight:
- 0.25 kg
- Package Type:
- carton or neutral color box
- Picture Example:
![package-img]()
- Lead Time:
Quantity(Piece) 1 - 500 >500 Est. Time(days) 15 To be negotiated
How to buy nest protect smoke and carbon monoxide alarm smoke alert smoke detector and carbon monoxide
Main features:
SR-821THS is Photoelectric smoke and CO detector
MCU processing
Low power consumption design,battery used for over 3 years
On-top battery compartment,easy battery replacement
Tamper resistant pins for battery
Low battery warning
Shockproof design,suitable for vehicle use
Auto check malfunction in smoke chamber
Test and hush button
Auto reset
Low battery warning
Technical specification:
Model No. |
SR-821THS
|
Operating voltage | DC3V(2x1.5V AA alkaline batteries) |
Static current | ≤10uA |
Alarm current | ≤25mA |
Alarm output | Sound &Flash alarm |
Sensitivity |
0.16dB/m(±0.05dB/m)/150PPM±50PPM
|
Sound level | 85dB/3m |
Installation | Wall or Ceiling mounted |
Working environment | -10℃~+50℃(≤95%RH No congelation) |
Dimension | 110*45mm |
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.