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A 3D model of a projector lift, featuring a metallic scissor lift mechanism and white body, with a modern minimalist aesthetic. It has electrically adjustable height and stable support, suitable for office settings and meeting presentations.

A 3D model of a projector screen, featuring a gray frame and white surface with a sleek design. It has a flat, foldable structure and is suitable for office meetings and presentations.

A modern security camera designed with a protective black housing and a polished silver mounting arm, ideal for office interiors, featuring 12068 polygons.

A 3D model of a tablet, featuring a high-resolution display, aluminum frame, and a modern, sleek design. It has a stand feature and low polygon count, suitable for office, entertainment, and portable use. (类目纠正为Computers & Tablets, as tablet is a computing device, not an office appliance.)