Submersible luminous ABS board wristboard with a pencil and spare O-ring for underwater handwriting and communication, 200g weight, white colour
Submersible Luminous Wristboard for Underwater Handwriting and Communication

This product is a specialised wristboard designed for use underwater, constructed from luminous ABS material. Its primary function is to facilitate writing, drawing, or signalling while submerged, addressing the need for clear communication in aquatic environments where standard note-taking isn't possible. The board glows in low-light conditions, and the package includes practical accessories like a writing pencil and a spare sealing component, aiming for straightforward utility during dives, snorkelling, or other water-based activities.
Features and Construction

The wristboard's design centres on its luminous writing surface and its inclusion of key accessories for immediate use.
Material and Build
The main body is made from a luminous ABS board. This plastic material is chosen for its ability to emit light after being charged by a light source, making the writing surface visible in darker underwater settings. The construction is focused on providing a flat, stable area for marking.
Size and Practical Fit
The product has a stated weight of 200g, indicating a compact and relatively lightweight design meant to be worn on the wrist without significant drag or hindrance to movement. This weight suggests it is portable and manageable for a diver to carry as part of their gear.
Uses and Placement

This wristboard is intended for scenarios where verbal communication is ineffective and written notes are needed underwater.
Event or Professional Use
In professional diving, scientific research, underwater construction, or dive training, the board can be used to convey instructions, sketch diagrams, log readings, or signal between divers. The luminous aspect is particularly useful in murky water or during deeper dives where natural light is reduced.
Everyday Home Use
For recreational snorkelers, swimming enthusiasts, or individuals in aquatic sports, the board offers a way to communicate simple messages, play games, or assist with teaching swimming techniques in a pool or open water setting.
Benefits and Buying Value

The value lies in its specific function and the included components that support immediate operation.
Reuse and Low Maintenance
The board itself is reusable; notes can be wiped off. The inclusion of a spare O-ring is a practical consideration, providing a backup for the main seal to help prevent water ingress and potentially extend the product's usable life with basic user maintenance.
Why Choose This Product
This wristboard presents a focused solution for a niche need. It combines a luminous writing surface with the essential tools (pencil) and a spare part (O-ring) required for its core task. For those requiring a simple, dedicated device for underwater notation, it offers a straightforward, physically tangible tool without relying on battery-powered electronics.

