... :3V4,Rated current:15MmA5,Stochastic Systems:2.4G6,Resolution:800CPI/1600CPIProduct features:2.4GHz digital wireless transmission,operation distance ... is up to 10 metersBuilt-in Mouse memory,no recording is needed after battery replacement4-section ... dpi,cursor speed adjustablePower switchLow-voltage alarm function. Wireless Mouse, Optical mouse, Competitive price