Decimo Handy (aka 508)

9v (PP3 battery).

Display is 8 digits, red LED.

4 functions, %.

72x109x23mm / 2.8x4.3x0.9".

Made in Singapore.

The example pictured was apparently given away by "Worms Cargo Service U.K. Ltd., the U.K. arm of a French shipping agent.

Decimo models