SKS Airchecker Digital Display Pressure Gauge: Presta and SchraderSKS Airchecker Digital Display Pressure Gauge: Presta and Schrader. The Airchecker features a swiveling dual valve head and an easy to read back lit display. Easy to read large digital display shows either Bar or PSI readings Dual Head is Presta and Schrader valve compatible Reduction button allows tire pressure to be precisely regulated 0 140 PSI 10 Bar TECH SPECS keyword search fat keyword search low pressure keyword search high pressure