Manufacturer: PROSPORT Type: Boost Meter. Size: 2.4 inches (60 mm). Country of Development: Taiwan with a new clear lens for a luxurious look. The light color can be switched between amber or white. Equipped with peak hold (PK) function and warning function. The warning value can be changed at any time. Compatible with warning lights sold separately. All instructions are in English. The image shows 2 meters, but the contents are only 1 piece.