- Simply install on the air valve to display status via easy to recognize colors<br />- Green display = Pressure Normal<br />- Yellow display = Pressure Warning<br />- Red display = Pressure Dangerous<br />- Designed for Psi33/34、 2.4bar                                                                                                                                Dimensions: 0.94 in x 0.47 in x 0.47 in (2.4 cm x 1.2 cm x 1.2 cm)<br />Weight: 0.88 oz (25 g)