This product isWireless 433mhz photoelectronic smoke detector with high stability. It works on the theory of reacting of smoke particle. It uses unique structural design + photoelectronic signal processing technology with features of dust prevention, insect prevention, anti-RFI, anti-white light. The optical smoke sensor is applied in indoor areas like home, hotel, apartment, KTV, office, bank, hospital, restaurant, warehouse, school, shopping mall...
Main Features:
SR-820PHW-AC(AC Power& Back up battery) Wireless interconnected smoke detector
Shenzhen SUMRING Technology Co. Ltd is a Hi-tech enterprise specialized in the research &
development of fire alarm and security products, including Fire alarm control panel, smoke
detector,heat detector,gas detector, motion detector, fire alarm bell/strobe siren,
manual call point, magnetic contact, emergency exit etc.
Our Certifications
Packaging & Shipping
Packaging information
Shipping information
* Express(UPS, DHL, Fedex, EMS, etc) is available.
* Sea and Air delivery is available
* welcome your agent to deal with our products .
FAQ
Q1: How about the quality of the products? A: We produce every product with good quality materials, and test carefully to make sure stable quality before shipment.
Q2: Can I have a sample order? B: Yes, Of course you can . we welcome sample order for your testing and checking products quality.
Q3: What is the shipping time? C: Small Qty order needs 5-7 working days, big Qty order usually needs 7-20 working days after payments arriving. That"s depends on order Qty.
Q4: How to proceed the order if I have logo to print? D: We will prepare artwork for visual confirmation at first, if the color and position are alright,we will make print Logo sample from silk print factory and take picture for you to comfire before mass production.
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