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Feature

Environmentally friendly ABS plastics; Scientific ergonomic design; Built-in docking bay stores receiver for easy pack up and portability
Battery Not Includes; One-touch keys easy to control slideshow. Buttons: laser pointer, page up, page down, launch slide show, black screen
A red laser pointer that's easy to see against most backgrounds, highlight key areas of your slides,super easy to use to take your eyes of your audience.
Wireless remote control distance range up to 39 feet, so you can free to move around the room and interact with your audience
Support options: Supports MS Word, Excel, PowerPoint, ACD See, website, iWork (Keynote & Numbers & Pages), Google sildes, Prezi, etc; Supported OS: Win2000, XP, Vista, Win7, Win8, Win10, MAC OS, Linux; For MacBook on OS X 10.11 El Cap, plug the usb receiver into laptop, it will come out a box, and then you can select 101or104 option.

Description

Features:
A plug-and-play wireless receiver, there's no software to install.
No hassle setup, simply plug into your computer's USB port.
Buttons having quick access to different functions are easy to find by touch.
Transmitter Features:
Switch: Button
Material: ABS
Light Style: Beam light
Light Color: Red
Battery Power: 1 Pcs 1.5v AAA Battery (Not Included)
Size: 130x90x40mm/5.1x3.5x1.6inch (Approx.)
Control Distance: 10m-15m (The effective distance will change with the surrounding environment)
Receiver Features:
Material: ABS
Supported OS: Win2000, XP, Vista, Win7Win8Win10MAC OS, Linux
Interface: USB1.1, USB2.0 USB3.0
Size: 65mm x 20mm x 11mm/2.56 x 0.79 x 0.43inch (Approx.)
Warranty: lifetime warranty;
Package listing:
1 x Wireless Presenter remote control
1 x Ultra-Slim Wireless Receiver
1 x User Manual

****** This need one AAA batteries (not supplied)******

Notice: Do not direct the beam at any flying objects, moving vehicles and any public or private structures; A pointer should not be directed at people or animals, please use it properly.