As a long-time projector user, I've always struggled with the heat and noise that come with traditional projectors. Since Wang Han started paying attention to domestically-made non-screen TVs, I became curious about the Mi-H1. What's it like to use a projector labeled as a "non-screen TV"? Can it truly replace a traditional projector to create a simple home theater experience with a large screen? My heart was pounding with excitement, so when the H1S was launched, I decided to give it a try.
The Polarite H1S is an upgraded version of the H1, but what’s the difference between the two? From the packaging, they look almost identical—both have a drawer-style design with cables and remote controls neatly placed in a paper tray. Taking out the unit, the appearance remains the same, and the feel is familiar. However, the H1S is more compact and lighter, weighing just 2.1kg, making it much easier to move around compared to traditional projectors.
Inside, the body is made of aluminum alloy, giving it a premium feel. Unfortunately, the standard remote control has been switched from aluminum to black plastic, which requires two AA batteries. I had to adjust to its thickness after getting used to the Xiaomi remote. On the top left, there's a Harman Kardon logo, indicating the audio quality is tuned by them. To the right of the logo is a camera, which enables the H1S’s new autofocus feature—very convenient for quick setup. The lens on the upper right is protected by a manual cover that also acts as a power button. The lenses are made of durable glass, but it's still not recommended to clean them directly, as they can get scratched easily.
On the top panel, there's a volume slider, which is somewhat inconvenient to use. Still, the design looks good. There are playback buttons and a Bluetooth key. At the bottom, a bass passive diaphragm ensures strong low-frequency performance. The back panel has a full range of ports, including HDMI, USB, and more. While there's no VGA port, it's more than sufficient for most modern devices.
Setting up the H1S was straightforward. I placed it in the center of the living room, facing a white wall less than four meters away. The projected image was about 2.7 meters wide, equivalent to roughly 120 inches. Although the actual measurement might differ slightly from the official specs due to environmental factors, the real-world experience was impressive. While it's possible to project a 300-inch image, it's recommended to stay within 100-120 inches for optimal brightness and clarity. The projector has a fixed light output, so larger screens result in lower brightness per square inch.
To make things easier, I used a cheap tripod from the market, which worked well for adjusting the angle without needing trapezoidal correction. Compared to my previous Hitachi 720P projector, the jump to 1080P resolution was very noticeable. The 1100 ANSI lumens provided enough brightness for a dimly lit room, and the H1S also supports contrast enhancement for better image quality.
The built-in speakers are decent for a projector, but for a true home theater experience, adding a 5.1 surround sound system is highly recommended.
In terms of content, the H1S comes with access to Mango and iQiyi, offering a wide range of video options. Subscribers get exclusive content, but even without a membership, you can install third-party apps. Although there's no USB port on the device, you can use an external hard drive with Blu-ray copies. It also supports AirPlay from Macs and iPhones, allowing for easy streaming without complicated setups. I personally prefer this method for watching online videos, as it lets me skip long ads and find movies faster.
Overall, the H1S offers a complete home theater solution compared to traditional projectors. It's easy to set up, doesn't require extra audio equipment, and features smart, user-friendly operation. Content access is also more convenient, making high-quality large-screen entertainment accessible to everyday users—not just professionals.
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Network Switches
A Network switch is a type of network device used to connect multiple devices in a local area network (LAN). It can receive and forward data packets through physical or wireless interfaces, sending data packets from the source device to the target device. Network switches can identify and forward packets based on MAC addresses so that data can be accurately transmitted to the target device.
A network switch usually has multiple ports, each of which can connect to a device, such as a computer, server, printer, etc. When a device sends a packet, the switch forwards the packet to the corresponding port according to the MAC address of the target device, thus achieving communication between devices.
The network switch can also divide the virtual local area network (VLAN) into multiple logical subnets, so that different devices can communicate independently on the same physical network, improving network security and performance.
In short, a network switch is a network device used to connect and forward packets, which can realize communication and network management between devices. It is an important part of building local area networks and enterprise networks.
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Shenzhen MovingComm Technology Co., Ltd. , https://www.movingcommtech.com