Product parameters:
Two-piece optical drawing board set (large and medium) with a transparent projection plate and a detachable stand. The lens is made of PC material with transparent optical elements for clear visibility. Plate sizes: Large 26 x 19 cm, Medium 20 x 13.5 cm. The drawing surface is reversible, offering different projection effects on the front and back.

Key features:
Uses optical imaging and reflective projection to display an image from a phone or tablet onto paper for tracing or copying. Brightness can be adjusted on the phone or tablet to achieve the desired drawing effect. An optical coating can be used to reduce ghosting. The integrated structure is designed to provide stability, while the stand can be assembled and disassembled for easier storage and portability.

Suitable scenarios:
Suitable for children, students, sketching exercises, copying and tracing cartoons or reference images, and basic drawing education. Intended for use at home, in study environments, or in learning environments where hand-eye coordination and drawing skills are practiced.

Product summary:
A practical optical reflective drawing board set in two sizes, designed for clear projection-based tracing and copying, with adjustable viewing effect via device brightness and a detachable stand for stable use and convenient storage.