Function: laser indicator (red), 360 degrees remote control up / down page, black screen, full screen. (Volume adjustment optional)

  Material: ABS. Light button, feel comfortable.

Transmitter specification:
  Remote control distance: 10 meters -100 meters (optional)
  2.4G RF remote control technology
Battery: 2 X AAA batteries, easy to replace.
  Wavelength: 650nm Power: 5mw or less
Size: Transmitter: 112 * 34.5
Weight : 38g

Receiver Specification:
Operating System: Window, Mac
USB Compatible : USB3.0, USB2.0 compatible, USB 1.1
Size measurement : 55 * 14 * 7mm
Weight: 6 g
  Plug and play

Package Content:
1 x Wireless Presenter remote control
1 x Ultra-Slim Wireless Receiver
1 x User Manual
2 units AAA Batteries