Doosl Powerpoint Clicker｣ｬ Works With IPAD｣ｬ MacOS｣ｬ Windows XP to Win 10｣ｬ Linux｣ｬ Android<br /><br />Specifications:<br />007W is powered by USB｣ｬ 001W is powered by 1 x AA battery (battery is not included)<br />Transmitter Technology: Radio Frequency <br />Frequency: 2.4GHz <br />Control Distance: 100m <br />Class 3R <br />Max Output: <5mW<br />Laser Distance: >200m <br />Wavelength: 650nm <br />Battery: 300mAh polymer Lithium<br />Working Voltage: 3.6V~4.2V<br />Sleep Current:<5uA<br />Dimension: 125*30*15mm <br />Weight: 32g <br /> <br />USB Receiver <br />Operation System: Windows 2003｣ｬ XP｣ｬ Vista｣ｬ Windows 7/8/10｣ｬ Mac OS｣ｬ Linux ｣ｬAndorid<br />Dimension: 18.5*14.5*6mm <br />