6 v (4x AA batteries).
Display is 8 digits, green fluorescent in single tube.
4 functions, %.
88 mm x 137 mm x 26 mm (3.5" x 5.5" x 1").
Made in Japan.
The distinctive style casing with the rounded corners on the right side is a feature of some models from the TEAL (Tokyo Electronic Applications Laboratory Ltd.) company, so this model may have been manufactured by TEAL.
© Text & photographs copyright Nigel Tout 2000-2018 except where noted otherwise.