Wall-Mounted LCD Sound Level Meter — Digital Decibel Monitor 30-130dB, Accurate Readings

Wall-mounted digital noise meter with a large LCD for clear, easy-to-read numerical values. Simple to use — the unit is ready for operation immediately after power-up. Measurement range: 30 ~ 130dB, with both upper and lower limit alarms. The alarm timing is adjustable from 5~120 seconds (factory default of 120 seconds). Built-in alarm sound output: the device buzzes when the live reading reaches the preset alarm level, holds the displayed data for 5s, then returns to normal monitoring mode.You may also like Digital Sound Level Meter & Data Logger — dB Decibel Tester with USB, Auto LCD Backlight, Accurate Readings.