Predator 30kg Digital Scale Features: - Auto Power Off: Scale will Automatically Shut Down after 60 Seconds - Large LED Display with Blue Background for Night Use - Weight Hold: When Weighing, LED Indicator will be Illuminated when Displaying Weight. - One Key, 3 Functions 1. On / Off 2. Hold Button In to Reset 3. Select Bewteen kg/Lbs/Oz - Powered by 2 AAA Batteries (Not Included)