Observe the light you already have
Look at your desk at the times you normally work, with your screen and room lights switched on. Notice where you want more light for reading, writing, or calls. Try moving an existing lamp first. A desk light should address a specific gap rather than simply add another object to the surface.
Check where it can sit
Measure the space for a base or inspect the edge where a clamp would attach. Check the stated clamp range and installation requirements. Consider the arm's reach and adjustment points, including clearance beside shelves. Position the light so it serves your task without creating an unwanted reflection on the screen.
Compare useful controls
Check the brightness settings, light-color options, and location of the controls. Decide which adjustments you would actually use throughout the day. Read whether the lamp remembers settings and how it is powered. A simple control you can reach easily may be more useful than extra app features you rarely need.
Plan care and replacement
Read the power requirements, included accessories, and any installation guidance. Check whether the light source is replaceable or integrated, and what support the manufacturer offers. Keep cables clear of moving equipment. After setup, evaluate ordinary desk tasks and video calls before deciding whether the placement needs another adjustment.
A new product should solve a clear problem or add something useful to your day. Check the exact specifications and compatibility before spending.