TOPUMP Mini Bike Pump, Electric Bike Air Pump with Gauge, Ultra-small 120PSI Battery Bike Pump with Presta and Schrader Valve, Auto Stop, for Road Bike, Mountain Bike, and City Bike.

"DIGITAL PRESSURE GAUGE AND AUTO STOP. Equipped with a high-resolution LED display and a pressure gauge, our mini bike pump electrically reads the preset pressure and real-time pressure (MAX 120PSI) easily. It stops automatically when reaching the set pressure. TINY AND PORTABLE. Weight: 0.13 kg. Size: 2.1 x 1.3 x 3 inches. Super compact and takes up minimal space. One-button operation, simple and easy to use. The TOPUMP Mini Bike Pump inflates or fills road bike tires - anywhere, anytime. RAPID INFLATION. With an airflow of 15 L/min, this Mini Battery Bike Pump takes about 50 seconds to reach a pressure of 80 PSI. Thanks to the fast inflation, you can quickly get back on the road in emergencies, improving your riding experience. DURABLE & FAST CHARGING. With a Type-C USB charging cable, this electric bike air pump can be fully charged in just 30 minutes. Once charged, it can inflate at least three 700*25C tires from 0 to 120 PSI. 2 INFLATION METHODS. Supports both Presta and Schrader valves for direct inflation. The included air hose + Presta valve converter makes the inflation process easier, leaving your hands completely free and saving time and effort. NOTE. 1. If the target air pressure is above 100 PSI, please use the hose to prevent air leakage from the nozzle. 2. For TPU hoses with resin valves, they must be connected with an extension hose to prevent the valves from melting due to overheating. MAINTENANCE TIPS: 1. Connect the air hose according to the manual correctly and establish an airtight connection to avoid leaks and ensure optimal performance. 2. Do not use the air compressor in humid or extreme temperatures to protect its lifespan and accuracy."