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Help CenterManufacture 12V 15A Psu Box 18CH Shunt Filtering Switch Power Supply Box YJS-A032
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Manufacture 12V 15A psu box 18CH shunt filtering switch power supply box YJS-A032
1. Item will be shipped within 1-3 business days.
2. Delivery Time:
Via Express: Generally 3-10 working days.
Via Air Mail: Generally 10-30 working days.
3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.
4. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
5. We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your product is inspected.
6.The shipping cost does not include any import taxes, and buyers are responsible for customs duties.
7. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Customer satisfaction is our final goal!
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. Your satisfaction and positive feedback is very important to us. Please leave positive feedback and 5 stars if you are satisfied with our items and services.
3. If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problems and provide you with the best customer services.
Shenzhen Yongjiasheng Technologies Co., Ltd. is a manufacturer of security products with well-equipped testing facilities and strong technical force.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used
in security industry and other industries.
Our products are widely recognized and trusted by users and can meet continuously changing economic
and social needs.
We welcome new and old customers to contact us for future business relationships and mutual success!
1.Q: Are you a factory or trading company?
A: We are manufacturer.
2.Q: Where is your factory located? How can I visit there?
A: Our factory is located in Shenzhen City, China. You can fly to Shenzhen Bao’an airport directly, and we
will pick you up. Welcome to visit our factory.
3.Q: How can I get some samples?
A: We are honored to offer you samples, pls contact our staff and leave detailed contact information, we promise to keep your information confidential.
4.Q: How does your factory do regarding quality control?
A: Quality is the priority. We always attach great importance to quality controlling from the start to the end. All our products have gained CE, FCC, ROHS certification.
5.Q:What can you do?
A:1.All of our products have proceeded aging test before shipment and we guarantee safety while using our products.
2.Support imprint your logo on products and let your logo shine anywhere. 3.OEM/ODM orders are warmly welcomed!
6.Q:Warranty and return:
A:1.All products and accessories have been tested by 3 times before ship out.
2.We own the best after-sale service team, if any problem happens, our team will do our best to solve it for you.
1.Total Absence of Signal
This problem is almost always due a discontinuity in the connection between the camera and the mux. Check the continuity of the twisted pair link.
2.Presence of Signal But No Image
This problem is most likely due to a reversal of the polarity of the wires between the two CCTV Baluns at either end. The pin designated as “Ring” must be connected to the pin designated as “Ring” at the other end.
3.Smearing
Smearing occurs when the edge of an image leaves trail traces similar to smudging a line of ink on a piece of paper. This may occur as the length of twisted pair cable increases.Possible solutions are; a)to shorten the length of cable or b) adjust thecontrast and brightness of the monitor.
4. Flutter
Flutter occurs when the background fluctuates between light and dark. A solution to minimize this effect is to adjust the monitor’s contrast and brightness.
5. Ghosting
Ghosting is characterized by a second video image being received after the main image,resulting in a double image that is skewed in relation to the first.In these cases itis best to replace the existing cable with a new one.
6. Loss of Color and Image Detail
Loss of color or image detail may occur if twisted pair cable length exceeds the distance specifications.
Other than using an active device, one can improve the image by shortening the length of twisted pair or by eliminating other contributing signal losses such as splices, cross-connects, low-grade patch cables, etc.
If any problem,pls feel free to contact us via:
Email : sales 6(@)
Skype : sales 6(@)
Trade Manager: cn1511980138
Tel : 0086-0755- 88606011
Mobile:0086- 18819433287
WhatsApp: +86 18819433287
Contact: Miss.Ashely Gu
Send Inquiry to This Supplier
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