Ensure your vehicle's safety and prolong tire life with this high-quality Tire Pressure Monitor Valve Stem Cap Sensor Indicator. Designed to fit any standard size tire valve stem, this innovative sensor provides a clear, visual alert system using a three-color eye indicator to notify you when your tire pressure drops below safe levels, helping you avoid premature tire wear and potential blowouts caused by under-inflated tires. Key Features: · Accurate Pressure Monitoring: Calibrated to 2.4 PSI, this valve stem cap sensor reliably detects tire pressure changes to keep you informed. · 3-Color Eye Alert System:  - Green indicates normal tire pressure for safe driving conditions.  - Yellow signals a moderate pressure decrease (approximately 5 PSI below optimal), prompting timely attention.  - Red warns of significant pressure loss (at least 10 PSI below optimal), alerting you to address the issue immediately. · Universal Compatibility: Fits easily on any standard size tire valve stem, making installation quick and hassle-free without any tools. · Durable Plastic Construction: Lightweight yet sturdy design ensures long-lasting performance and resistance to everyday wear. · Compact and Lightweight: Small size (5cm x 5cm x 2cm) and low weight (28g) make these tire pressure monitors convenient to carry and use. · Warranty Included: Comes with a 6-month warranty for added confidence and reliability. Specifications: · Material: Plastic · Pressure Detection: 2.4 PSI · Package Weight: 28g · Package Size: 5cm x 5cm x 2cm · Color: As shown Package Includes: · 4 x Tire Pressure Monitor Valve Stem Cap Sensor Indicators Protect your tires and improve vehicle safety with these easy-to-use, visually intuitive tire pressure monitor valve stem caps. Ideal for regular vehicle maintenance, they offer peace of mind by providing immediate alerts to tire pressure issues, helping you maintain optimal driving conditions.