In addition to dedicated presentation controls for Mac and PC RemotePoint Jade offers four custom buttons which can be programmed to send a variety of key combinations. Jade simplifies setup by using Auto RF a frequency agile protocol to ensure reliable communication in today's electronically noisy environments.Remote Specifications: •Battery Life: 6 Mo. Typical •Weight (without batteries): 75.4 g •Dimensions (without receiver): 160 mm (L) x 38 mm (W) x 27 mm (D) Receiver Specifications: •Interface: USB •Frequency: 2.4 GHz RF •Range: Up to 150'