We always adhere to the principle of product quality first, all shipped products will go through strict testing and debugging. After the production of each device, a number of functional and performance tests are carried out, including a comprehensive inspection of electrical safety, projection effect, interactive response and so on. Only after ensuring that the product features are intact and meet the high standards, we will proceed to the final packaging and shipment. We promise that every product is carefully adjusted to ensure that it can provide the best performance and stable quality in actual use, so that you have no worries.