SPECIFICATIONS: Low battery alarm Cover and pouch protect scales when not in use Maximum weight: 20g/0.001g, 0.7055oz/0.0001oz, 100.00ct/0.005ct, 0.6430ozt/0.0001ozt, 12.860dwt/0.001dwt, 308.65gn/0.001gn Display: 5 digit blue backlit LCD Auto power off: 3 minutes Operating temperature: 10 - 30°C Scale dimensions: 9 x 10 x 3cm (3.5 x 4 x 1.2 ”) Screen dimensions: 3.2 x 2.2cm (1.2 x 0.5 ”) Weighing platform diameter: 2cm (0.7") Powered by: 2 X AAA batteries ( Not included )