Compatible 2 x AA type batteries ( batteries were not include ). The battery back cover can hold the battery in place and prevent it from falling, safe to use. i2.290b6jCs6jCsvB" style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; height: 5106.67px; position: absolute; top: 0px; visibility: hidden; width: 1000.5px; z-index: -1;">.
