State of the art portable logger with colour LCD touch screen. Samples up to 100,000 times per second and has built in sensors (Microphone, Light, Accelerometer, Temperature, GPS). It also has a a dual audio oscillator for beats etc. Wireless and blue tooth conductivity allows it to broadcast data to computers, iPADs and iPHONES. The loggers have 3 analogues and 2 digital ports to accommodate the extensive range of Vernier sensors.