Jufjsfy AD620 Microvolt MV Voltage Amplifier Signal Booster 3-12V DC Instrumentation Modu Board, 500034586Jufjsfy Colour:Blue Material:PCB Size:32 x 22mm Package Contents: 1 x Voltage Amplifier Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from th..