You are expected to first use the installation instruction offered by Shenzhen Hnsat Industrial Co., Ltd.. Probably it is a manual, a video, or a voice. When you encounter specific problems during the installation, a video could be sent to us to make sure that the problem is clear shown. We will offer guidance by video. In regard to big problems, senior engineers may be sent to solve it.

The popularity of professional voice recorder produced by Hnsat brand has been increasing rapidly. spy voice recorder is the main product of Hnsat Digital Recorder. It is diverse in variety. Hnsat voice recorder machine has a satisfactory design. The design is practiced in relation to the level of choice in styles, colors, fitness, shape, and the suitability of the product for people. Users will love this product for its comfort and accessibility. It will add to the warmth and comfort of the users' sleep environment.

Hnsat Digital Recorder aims to be a very advanced professional digital audio recorder manufacturer. Check it!