Standard - LCD display with back light; - Real time measurement - 4 different display modes; - Automatic-off when detecting no signals - Battery status and voice volume indicator - Detachable sensor probe with 2.0 MHz in continuous wave. - Probe protection compartment - Automaticpower-off when detects no-signal for 20 seconds. - Built-in speaker with adjustable volume - Built-in rechargeable battery and AC re-charger - Ultrasonic couplant provided - Carrying case