433mhz smoke detector wireless interconnected optical smoke alarm SR-820DHR

2.0 Pieces
433mhz smoke detector wireless interconnected optical smoke alarm SR-820DHR
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Place Of Origin: China
Brand Name: SUMRING
Model Number: SR-820DHR
Name: 433mhz Smoke Detector Wireless Interconnected Optical Smoke Alarm
Basic Infomation
Place of Origin: China
Brand Name: SUMRING
Model Number: SR-820DHR
Payment & Shipping Terms
Packaging Details: neutral color box
Product Description
Product Description

Wireless Smoke & Heat Detector

Main Features: 
 1.Adopts MCU auto-processing technology;
2. Heat sensor+ smoke sensor 
 3. Malfunction auto-check;
 4. Auto-reset after trigger;
 5.Infrared photoelectronic sensor;
 6. Sound&flash alarm/LED indicating alarm;
 7.SMT manufacture technology,
     reliable stability,with Hush button
 8. Dust-proof, month-proof, anti-white light interference;
 9.Anti-RF interference (20V/m-1GHz);
10. Execute criterion: EN54-11, UL539,         EN14604,  UL217.
Power supply
9V batttery (The battery is included)
Static current
Alarm current
Alarm Temperature
Alarm indication
LED flashes in red
Alarm sound
Operating temperature
Radio frequency
315MHz/433MHz  (Default dispatch:1527,433)
Code form
2262/1527 code
Radio transmitting distance
200m(open area)
Exexution standard
Detetcing area
80 square metres at 6-12m installation height;
60 square metres at installation height less than 6m.
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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

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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