The Triplett SoniChek is a high performance compact sound level meter with a backlit LCD display. It offers a large LCD screen to be easily read from a distance. The rubberized overmolded housing provides impact and drop resistance in a sleek ergonomic design, and the user-friendly Auto Power Off feature helps maximizes battery life. With key features including auto backlight display, MAX/MIN hold, tripod thread and more the SoniChek is the clear choice for installers and audio enthusiasts Features: - C Weighted reads 40-130dB from 31.5-8Khz - Auto backlit display - Auto power off - Overmolded case - MAX/MIN hold Applications: Measure sound level for PA, Home Theater, Alarm, Sounds Systems, & More!