Upgraded Movement: Compatible with alkaline battery, with a battery life of over 2 years ( tested under AA Alkaline High Performance Batteries 1.5V). Requires 1 AA Battery for the clock (not included). Please note that actual battery life depending on the battery's capacity, environmental conditions, and usage habits. Elegant Design: Rose gold color frame makes it the perfect decorative wall clock for office, living room, classroom, bedroom, bathroom. Unlike other using cardboard as clock background that easy damaged in moisture and wet season, this clock back base are made of solid plastic, therefore remain well function and dry in any weather condition.