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OTOPE / Tape measure

OTOPE
OTOPE

This transducer safe ruler is designed by making using of the principle of energy conversion , and transforming elastic potential energy into electrical energy, lighting by LED lamp.
The design is in black and red, in simple structure, to meet the market demand. OTOPE the special in the design is : in the darkness , this thing can light by storing energy.

University

Jianghan University

Jianghan University
Wuhan, China

University

Jianghan University

Jianghan University
Wuhan, China

Design

Jianghan University

Jianghan University
Wuhan, China

Zhao Tong