*KeyFeatures *Multi-Axle Vehicle Tire Pressure Monitoring: Our rv tire pressure monitoring system can real-time monitor up to 22 tires, equipped with a repeater for 82ft/25m long-distance sensing and signal amplification, making it ideal for large vehicles such as trailers and heavy trucks. Note: This product comes with 6 sensors; if your vehicle has more than 6 tires, additional sensors must be purchased separately. *Sensor Upgraded with Infineon Chip: Each external cover-style sensor features an Infineon chip, enhancing data accuracy and response speed. Our trailer tpms accurately measures tire pressures from 0-199 psi/0-16 bar, with data precision up to +/-0.3 bar. *DC + Cigarette Lighter Charging: The universal wireless car alarm system features a large-capacity rechargeable battery and can be powered via DC power mode or the cigarette lighter. This dual charging option extends battery life, reducing the need for frequent recharging. *Alert System: Equipped with 7 types of abnormal tire pressure alerts, including fast leak warning, low/high pressure warning, high temperature warning, and more. This waterproof tpms sensors set promptly notifies you of tire conditions to help avoid potential dangers. *Easy Installation & Durability: The external cover-style sensors require no tire removal for installation and are easily mounted on the tire. The tpms tire pressure monitor is made with high-quality brass valve stems that resist corrosion and rust, they are dustproof, waterproof, and temperature-resistant, ensuring sensitive monitoring across various road and weather conditions. ******************************************************************************************************* *Specifications Item Model Number: M400C Product Dimension: 3.6x2.2x0.9 inch / 91x55x24 mm Product Weight: 1.01 lbs / 0.46 kg ******************************************************************************************************* *Pakcage Content 1 x Tire Pressure Monitoring System 1 x Set of Accessories