Check the listing for details. Longjoy Presentation Remote Control Red Laser Clicker. Color: Black, Condition: New. Listed at 11.99 USD. Feature:Buttons having quick access to different functions are easy to find by touch.Buttons function: light pointer, display of the black screen, next, previous, full screen, on/off switch; One-touch keys easy to control slideshow; About laser pointer: hold down the button to keep the light on;The USB receiver is stored inside the laser pointer for easy pack up and portability, there's no software to install, set up very simple; Transmitter Features:Material: ABSLight Style: Beam lightLight Color: RedBattery Power: 1 Pcs AAA BatterySize: 138x19x14mm/5.4x0.75x0.55inch (Approx).Control Distance: 10m-15m (The effective distance will change with the surrounding environment) Receiver Features:Supported OS: win 2000, XP, Vista, Win7，Win8，Win10，MAC OS, LinuxInterface: USB1.1, USB2.0 Package listing:1 x Wireless Presenter remote control1 x Ultra-Slim Wireless Receiver1 x User Manual1 x Battery included