Detailed Product Description multimedia wireless presenter, rc laser pointer, remote control laser pointer Size: 105*44*17mmBattery:1pc CR2045Material: ABSColor: silver+blackFunction: red laser pointer page up and down , mouse (M1) mouse, voice up and down, stop and play(M2)Optional: flash memoryOutput power: ClassII<1mW&ClassIII<5mWControl Distance: over 15mTechnology: Radio Frequency