Encrypted Wireless Keyboard Mouse Remote Bundle RF-494 Wireless keyboard encryption using AES Secure technology 100 foot (31 meter) operating range keyboard & remote / 50 foot mouse Two-way digital RF communication - will not drop keystrokes Mini keyboard with 86 precision-engineered scissors keys, optical trackball, left/right mouse keys, wireless 3-button mouse, presentation remote One year warranty - 30-day money back guarantee