Specifications:
Kit Name: Voice Control Level Indicator
Kit brand: EQKIT
Kit model: AUL-50
Working voltage: DC 5V
Power supply mode: USB port power supply
Kit size: 30*220.6mm
Sensitivity: 1-12 adjustable, default 9
Display brightness: 1-7 adjustable, 7 by default
Display speed: 1-4 adjustable, 3 by default
Display mode: 1-12 adjustable, default 1
LED light color: green & red
LED lamp specification: 3528
Number of LED lamps: 50 x2 rows
Kit weight: 40g

Note: This is an unassembled kit and requires soldering by yourself.

Features:
1. Portable and compact in size: With a dimension of 30*220.6mm, it is easy to carry around and perfect for small size gadgets.
2. Exceptional brightness and speed control: It provides a choice to adjust brightness from 1-7 levels and display speed from 1-4 levels, providing the maximum possible user control.
3. Broad sensitive range: With its sensitivity adjustable in the limit of 1-12, it provides diversified operations to users.
4. Beautiful LED visuals: Comes with 2 rows of 50 LED lamps, color combination of green and red delivers a perfect, bright and colorful visual experience.
5. Enduring: This kit adheres to high quality standards, ensuring it isn't just transient in terms of its lifetime but is made to survive longer durations.

Package Include: 

2x LED Lamps

1x PCB

1x Ceramic Cap

1x Electrolytic Cap

1x Diodes

2x Chips

1x USB Socket

1x USB Plug

1x Switch