Category: Technology

A wireless microphone system also called a wireless microphone, or wireless microphone, can also be called a microphone wireless Microphone...

Lightbox with advertising cloth (commonly known as light box cloth), ink using oil-based ink, spray-painting company to ensure the durability...

Used in high-rise residential buildings, apartment buildings inside and outside, inter-household information transmission, security door control, and in case of...

Unmanned aircraft, abbreviated as "UAVs", are unmanned aircraft operated by radio-controlled equipment and self-contained programmable control devices, or operated completely...

Desktop, is an independent and separate computer, completely unconnected from other components, compared to notebooks and netbooks larger, the host,...

1. The ability to adjust the focal length is one of the properties of a cinematic lens. Autofocus is used...

Lens coverings shield cameras' and camcorders' lenses from scuffs and other minor impacts. On the majority of cameras and lenses,...

A telescope (telescope) is an optical instrument that uses lenses or mirrors and other optical devices to observe distant objects....

1、Front-end acquisition system Camera, lens, gimbal, intelligent dome camera. 2、Video transmission system Transmission cable, fiber optic transmission, coaxial cable transmission,...

Projection refers to the projection of the shape of an object onto a plane with a set of light rays,...