Nowadays, online shopping is a hot trend all over the world. And there are all kinds of online store for your choice, including cloth, electronic, book, and so on. Never need to go out for the shopping, just click your mouth, and the right products will go to your home in a short time. Then, you should certainly be worry about something for the shopping, for shopping online, you will not see the goods in your front, and you can not test the good. Then, the guarantee / warranty is really important for you, our customers. Thus, you should get to the know guarantee and warranty that is provided by the online shop you are browsing.

Firstly, you should ask an important question as following:
“Do you have a guarantee or warranty?”

Yes – Chinajiaho only chooses to stock the very best quality products from professional China manufacturers. The quality is guaranteed.
- All products that arrive in the Chinajiaho warehouse are checked for perfect appearance and correct functionality.
- Our packing staff check again to make sure that the right accessories are included and that the electrical / socket adapters are correct for your country.

(Please note in the case of region-specific items such as PAL / NTSC TV/Video Color Regions, digital TV, GSM mobile phones etc you are responsible for ordering the correct units and we will send you exactly what you order.)

Behalf of CHINAJIAHO.COM, all our products are covered by a 12 MONTH WARRANTY.
Due to our stringent sourcing and QC processes, the fault rate on products shipped out by Chinajiaho is very low. However, sometimes faults develop which couldn’t be detected before, and we will help you solve these problems to a level far beyond what you will receive from any other China-based seller.

If you have any difficulties whatsoever with the products, or you are dissatisfied for whatever reason, you can contact us and we will discuss the issue in an open, honest way.

If you have a problem with a product you bought from us before, please click here to read about what you can do now.
In general, if a product develops a fault during the 365 days since you received it, and the fault is due to a quality issue rather than your own breakage or misuse, we will accept a return.
Customers need to pay the cost of returning faulty products back to the Chinajiaho returns address in either Hong Kong or China as instructed by Customer Support.
Returns without prior discussion and authorization will not be accepted.
When we receive your authorized return we will repair the product for free and send it back to you for free. Repairing may involve changing parts, for example a faulty screen. In general you will receive back, fixed, the same product you returned to us.
If a repair is impossible we will credit you what you originally paid so you can choose to buy a new one or change to a different item.

Please tell us if you are a drop-shipper and have returns issues with Chinajiaho goods you have sold to your customers: we can do RMA directly with your customers or they can do it through you (recommended).

Article Source:http://www.chinajiaho.com

Days before, we have presented four types of MINI PORTABL JAMMERS for you. To match different customers’ demand, today, we will come to a total typical type of Cellphone Signal Jammer. Such kind of products can be used in any place where mobile phones are prohibited, such as vehicle, meeting room, hospitals, recording churches, testing facilities, security services and so on. Its typical radius range is 10 to 60 meters. The dimension of the device is 455*240*85mm (L x W x D).

As SIGNAL JAMMERS, most people may worry about the fans and heatsink chip, what about this device? Firstly, to keep the device working with high efficiency, we design two fans to keep heat dissipation. One Fan is used to keep the heat in, while the other one is to make the heat out. Therefore, the temperature inside the device will be approximately equal to the outside temperature. Moreover, heatsink chip make the machine work more steadily by taking advantage of complete heat dissipation.

There is another cool function, that it can be used in the automobiles. You can just install this device in different car model. It works supplied with 12V inside the car. To make it more users friendly, we provide the car adaptor with 3M cables. It also can be used in AC 110-240V for indoor purpose. It can be called as a globe device for worldwide users.

This is a new and advanced type of jammer that compatible with four SMA connectors, which are used to connect with antenna (CDMA GSM/DCS PHS 3G), and as to the difference of phone frequency, there are two different types of such jammer, one is for Europe and Middle East, while the other is for American and Asia.

How to install antenna and turn on the device?
To install the antennas, please try to screw the antennas tightly to the corresponding position on the device according to the length remark on the device and antennas The antenna connectors of Output power and working instruction LED on the Cover. Longer Green, Yellow, Blue, Red Dot connect with antenna which are identified by CDMA GSM, DCS PHS, 3G as the indication accordantly, will be ON when the Power SW placed, Power LED shows green, and then the machine begins to work.

Article Source:http://www.chinajiaho.com/Wholesale-security-equipment-signal-jammer_c1053