The LWS-004 LED Thumbs Sign tells onsite pedestrians whether it's safe to approach a piece of plant — at a glance, from a distance. Green thumbs up when it is. Red thumbs down when it isn't.
Excavators, loaders, dumpers, rollers, telehandlers — anywhere an operator needs to communicate clearly to workers on foot, the LWS-004 takes the guesswork out.
Wheeled and tracked. Mounted on the cab or counterweight, facing the working area.
Wheel loaders, skid-steers, telehandlers. Sign mounts to the cab roof or rear.
Site dumpers and articulated haulers. Sign at the rear faces working pedestrians.
Rollers, pavers and compactors on highway and groundworks projects.
When the operator has eyes on the worker and the machine is in a known state, a press of the in-cab switch lights the green thumb. The all-clear is communicated without a single radio call.
When the operator is loading, slewing or otherwise can't see the ground, the red thumb says do not approach. No ambiguity, no need to shout over a 12-tonne diesel.
Two states. Green thumb up. Red thumb down. Crystal-clear messages from across a working site, day or night.
A single dash-mount switch toggles between the two states. No setup, no software, no menus — just on, green or red.
Every electrical connection is encapsulated and potted. No grit, no moisture, no failure mode in the wet, the mud or the dust.
A 304-grade stainless plate stiffens the case, dissipates heat, and resists corrosion in salt, water and aggressive site chemicals.
Full datasheet available on request — includes wiring diagram, mounting template, and certification.
| Part number | LWS-004 |
| Symbol | Thumbs up / Thumbs down |
| Voltage | 12V / 24V DC |
| Size (L × W × D) | 180 × 180 × 20 mm |
| LEDs | High-powered, long-life · dual-state |
| States | Green (safe) · Red (do not approach) |
| Control | In-cab dash switch |
| Case | Tough plastic · stainless backplate |
| Sealing | Fully encapsulated & potted |
| Origin | Designed & made in the UK |
Talk to us about volumes, samples or a wiring question. Trade enquiries answered the same working day.
