SET offers intelligent surveillance and monitoring technologies that allow security solution providers to take full advantage of high-bandwidth wireless communication infrastructure. Our proven technologies remotely monitor acoustic and visual inputs for changes, and report critical changes to mobile handheld users through secure, Wi-Fi connections. Our technology has demonstrated excellent detection and false alarm performance using an off-the-shelf PDA integrated with an IEEE 802.11b connection, built-in microphone, and on-board commercial video camera. Easily expandable to create a networked portable sentry system, our real-time technology enables lightweight, cost effective, and secure solutions for remotely monitoring homes, businesses, and critical infrastructure with mobile handheld devices.