Micropack WPM-03 Multimedia Wireless Presenter

LCD DISPLAY: Show the battery state and remaining time for presentation
MULTIMEDIA FUNCTION: Page up/down, volume+/-, Play Slides/Pause, Black Screen/Esc, Etc.
VIBRATION ALERT: Elegant and easy to manage presentation time with vibration alert function
20 M RANGE: RF2.4G technology, up to 20 meters wireless range.
POWER SAVING: Auto standby, deep sleeping and low-power LED alert
ERGONOMIC DESIGN: Easy to hold and operate, reduce fatigue when use for a long time

Wireless technology: RF 2.4GHz
Wireless range: up to 20 meters
Laser: Class II
Max output: <1mW
Laser distance: >200 Meters
Wavelength: 650nm +/- 5nm
Battery: 2 AAA batteries
Working voltage: 3V (Transmitter)
5V (USB receiver)
Dimension:129x38x29 mm
Compatible with Windows 10/8/7/Vista/XP, Mac OS X 10.8 or later,Linux, Android 4.3 or above.