... need to instal drive 4 .own personal music Hid Usb thermometer -1 FUNCTION:1, thermometer: -40~+120 C;2, alarm sound3, Precision: + ... 2C;4, Electricity:< 10 mA;5, Signal indication: Red light when working6, Recharging method: PC or USB port adapter7, Support Windows ,XP ... .It's scope of activities will regulate automatically . 5,Function of Email (1. please tick "Enalle email" ,so that you will ...