WFZ1011 Features: * Mirror black surface for absolute clarity * Bright LED dot clock is large and easy to see from quite a distance * Super bright display with a total of 160 high precision * Excellent contrast for individuals with low vision * Great for factories, businesses, school, gym, church, warehouse, etc * Internal back - up battery for power interruption Includes: * Power source: 110 volt AC adapter is included Color/Finish: * Numerals color: Blue Dimensions: * Product Weight: 2 lbs * Overall dimensions: 8" H x 16" W x 1.6" W Warranty: * 1 Year warranty