915 MHz Radio Frequency Transmitter and Base (no need to point to record your votes). Five Key Pad choices (plus On/Off button). A unique ID (serial number) located on the back of each unit links the student to his/her remote. Three LED indicators (Power, Low Battery, Vote Status). The Vote Status LED provides feedback when the student’s vote has been received. (A green light indicates the vote has been received and recorded; a red flashing light indicates the student needs to vote again). Requires 3 AAA batteries, which you can replace easily (without a screwdriver) on the back of the remote. Three Energizer batteries are included with each new remote. Long battery life (200 hours). The remote shuts off automatically if the student forgets to turn it off. Portable Size: 6” long x 2” wide x 1/2” thick. There are no site license or registration fees.  915 MHz Radio Frequency Transmitter and Base. Because operates at 915 MHz, it will never interfere with campus Wi-Fi technologies (including Internet, cell phones, and wireless microphones). Single USB connection to PC (includes power). No need to share class voting data before you’ve seen it. While you are collecting votes, those votes are instantly recorded on the LCD display on your base. The LCD displays a timer, the total vote count, and the percentage of answers for A, B, C, D, and E. Only one base required for any sized classroom (one base records votes from as many as 1,500 remotes). Range of 200 feet. No delays or voting collisions. No risk of dropped votes. The voting protocol prevents any risk from dropped or lost votes (a common complaint with competing systems). Portable Size: 7.5in x 5.0in x 3.5in (including antenna). Instructor’s adopter kits include a base, a flash drive loaded with all the relevant software, user documentation, and 2 instructor’s remotes. The flash drive plugs directly into the base and provides you with everything you need to start using. Your students' data is saved on the flash drive and easily editable/uploadable through the i>grader application.   is the fastest system available. Votes are registered in less than .01 seconds and confirmed directly on students’ remotes (through the Vote Status light). Over 2 million unique remote IDs possible. Multiple bases operate side by side without interference by utilizing the separate sub channels available in the 915 MHz band. No hardware installation required ( is plug and play). No inconvenient registration requirements or licensing fees.   PC Windows XP Professional or Home Edition, or Windows XP Tablet PC Edition One USB port Projection system recommended Screen Resolution of 1024 x 768 NOTE: If you are using with Windows 2000, contact support@iclicker.com for assistance. We have a solution for you! Mac Mac OS X (Version 10.4.2 and higher) One USB port Projection system recommended Screen resolution of 1024 x 768