ANKA Sci-Tech Co.,Limited is one of the leading China pir detector pir ceiling alarm detector aj-621d manufacturers and suppliers, and also a professional company equipped with productive factory, we are always able to offer you cheap or low price pir detector pir ceiling alarm detector aj-621d with reliable quality.
why choose us
1).2000 square meters factory, have capability to supply wide range of products
2).Good quality control ,with competitive prices.
4).Good after-sales service.
5).No Minimum order quantity limited.OEM and ODM are also accepted.
6).We locate in Shenzhen of China, easy for export.
window door wired pir active motion detector /PIR sensor/infrared sensor/ceiling/wall mounted/alarm system /motion sensor
1.Intelligent logical control, reducing false alarm
2.Auto temperature compensation
3.Ambipolar Pulse Count optional
4.Anti-white Light Function
5.Anti-RF Interference (20V/m -1GHz)
7.Wall or Ceiling Mounted
8.Alarm output NC/NO optional for different controllers
9.Adopted SMT, high stability
|Input Voltage||DC 9~16V|
|Operating Current||≤18mA (DC 12V )|
|Detecting distance||9 meter (at Wall Mounted); 6 meter(at Ceiling Mounted 3.6 meter Height)|
|Detecting Angle||15 degree|
|Self-test Time||60 Seconds|
|Installation Method||Wall mounted or Ceiling Mounted|
|Installation Height||1.7-2.5 meter(at Wall Mounted); 2.5-6 meter(at Ceiling Mounted )|
|Alarm Output||NC. /NO.|
|Anti Tamper Switch||Normal Close|
1.We guarantee that all our items are "as stated" in their descriptions. We strive for 100% customer satisfaction on every sale we complete.
2.We are manufacture, there is no middle man, no high markup, so we can provide quality items yet very competitive price.
3.If you have any questions please contact us first, most are responded with in 12 business hours
1,all package can sent by FedEx/DHL/UPS/EMS, based on customer requires.
2,Freight By Sea to Any nearnest port of customer country.
3,Freight by Air to airport of import country.
ANKA is a high-tech enterprise specializing in the whole process of Research, Development, Manufacture and Marketing security alarm products. With the company policy of "Innovative technology, Makes safe life" and the responsibility of "Progress for protecting people's safety",
1.Quality of our company.
We are the manufacturer of alarm system for more than 10 years, we are full of experience and technology.
2.Quality of our products.
Our engineers who ever worked in a very famous company of alarm system, all the products must be strictly inspected before selling.
3.Quality of our services.
All of our products have a full two-year warrantyand low repair rate.
4.Quality of our shippment.
We arrange the shippment as soon as we get the payment, fastly and professionally.
5.Quality of our sales representatives.
Truly, Warmly, Patiently, Professionally.