GM/M SR-820DHS Smart Optical Multi Sensor Factory Price Alarm Combination Nest Standalone Smoke Heat Leak Detector

2 Pieces
$9.08(2 - 49 pieces) $6.26(50 - 99 pieces) $5.90(100 - 499 pieces) $5.81(>=500 pieces)
GM/M SR-820DHS Smart Optical Multi Sensor Factory Price Alarm Combination Nest Standalone Smoke Heat Leak Detector
Features Gallery Product Description Request A Quote
Place Of Origin: Guangdong, China
Brand Name: SUMRING
Model Number: SR-820DHS
Operating Voltage: 9V Battery
Interconnection: N/A
Lower Battery Indication: Yes
Test And Hush Button: Yes
Alarm Temperature: 57℃
Sensitivity: 2.06%ft±1.3%ft
Sound Level: 85dB/3m
Installation: Wall Or Ceiling Mounted
Dimension: 128*38mm
Certification: CE
Basic Infomation
Place of Origin: Guangdong, China
Brand Name: SUMRING
Certification: CE
Model Number: SR-820DHS
Payment & Shipping Terms
Packaging Details: carton
Product Description
Product Description
Smart house 2 in 1 standalone fire alarm detector heat smoke detectors with 85dB voice alarm
Main Features:
1.9v Battery operated 
2.Photoelectric sensing 
3.Lower battery indication
4.Loud 85dB audio alarm
5.Instant test button
6.MCU processing
7.Test and hush button
8.57℃(135℉)fixed temperature alarm
9.Execute criterion: EN54-4,UL539,EN14606; UL217
Model No
Operating voltage
9V battery (battery is included)
Alarm temperature
Sound level
Wall or Ceiling mounted
Working environment
-10℃~+50℃(≤95%RH No congelation)
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Why Choose Us
Payment and delivery
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.
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Contact Person : CC
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