Adjustable Stem Light for Trade Show & Exhibition Displays

Adjustable Stem Light for Trade Show and Exhibition Displays

An adjustable stem light uses a rigid vertical or angled stem — rather than a flexible gooseneck or pivoting arm — to position the LED head at a fixed height above the clamp point. The head then swivels independently to direct the beam. This combination of fixed stem height and swiveling head gives you predictable, repeatable positioning that is easy to replicate from show to show.

Stem Light vs. Arm Light: Key Distinction

An arm light pivots at the clamp, changing both the height and horizontal reach of the LED head simultaneously. A stem light raises the LED head to a fixed height above the clamp, then the head swivels to aim the beam. Stem lights are preferred when you need consistent height across multiple units — for example, lighting a row of products at the same elevation across a long inline display.

Where Stem Lights Excel

Product row lighting: Mount stem lights at equal intervals along a shelf or display rail. Because the stem height is fixed, all heads sit at the same elevation, creating uniform downlighting across the entire product row.

Signage illumination: A stem light mounted above a sign panel and angled down at 30–45° provides clean, even signage lighting without the arm extending into the visitor’s sightline.

Repeatable multi-show setups: Because stem height is fixed, you can document your exact setup (stem height, head angle, clamp position) and replicate it identically at every show without re-measuring.

Specifications

Stem height: 25 cm / 35 cm / 45 cm (model dependent). Head swivel: 330°. Clamp range: 8–40 mm. CRI: 90+ Ra. Color temperature: 3000 K / 4000 K / 5000 K. Input: 100–240 V AC. Linkable: up to 6 units per chain.

Frequently Asked Questions

What is the difference between a stem light and a gooseneck light?

A stem light has a rigid stem of fixed length — the head swivels but the stem does not bend. A gooseneck light has a flexible neck that can be bent into any shape. Stem lights offer more predictable, repeatable positioning; gooseneck lights offer more flexibility for irregular setups.

Can I use adjustable stem lights on a pop-up display?

Yes. The universal clamp fits pop-up steel tubes (8–40 mm range). The stem raises the LED head above the frame top, which is useful for angling light down onto a fabric graphic from above.

How do I choose the right stem height?

Choose stem height based on the distance from your clamp point to your target. For a product shelf 20 cm below the clamp, a 25 cm stem with the head angled down at 45° provides direct illumination. For signage 40 cm below, use a 35–45 cm stem.