The RemotePoint Emerald Navigator offers a bright green laser pointer and presentation controls at ranges up to 100 feet. In addition to dedicated presentation controls for Mac and PC all of the buttons on RemotePoint Emerald Navigator can be customized to send a variety of key combinations. Emerald Navigator simplifies setup by using Auto RF a frequency agile protocol to ensure reliable communication in today’s electronically noisy environments. The Emerald Navigator comes with a carrying case and has a slot for adding a lanyard.Receiver Specifications: •Interface: USB •Dimensions: 13/16 x 3 1/2 x 1/8 (21mm x 89mm x 11mm) •Weight: Less than 2 ounces (60g) •Power: 20mA Remote Specifications: •Range: Up to 50 feet (15m) •Radio: 64000 Unique Addresses 4 Channels •Frequency: 2.4GHz •Dimensions: 2 x 4 x 1 (51mm x 102mm x 25mm) •Weight: Less than 5 ounces (140g) •Power: 2 AAA Batteries •Battery Life: 6 months typical •Laser: Class II Laser