Oppama's Black Tachometers Pet1010 offers precise measurements made simple. It features a ±10r/min accuracy rating and is 120mm long and 62mm wide, making it the perfect size for convenience and ease of use in automotive, two wheelers rider, technicians' workshops or motorcycle owners. With an incredible battery life of 20,000 hours (auto ON/OFF with 7 hours per day usage), the Pet1010 will be sure to serve you for up to 7.5 years! No more over or under estimations: get accurate measurements with Oppama's Black Tachometers Pet1010.