Features: High precise real time monitoring delivers ±0.1bar tire pressure accuracy and ±3℃ temperature tracking, instantly alerting driver through visual alarms to prevent road hazards a must have wireless solar tire pressure monitor for vehicle safety. Solar operations with 45+ days battery backup eliminates wiring hassles, while double installation option (external screw on sensors or internal 7-8 year battery models) cater to diverse vehicles and user preferences. Ideal for car owners prioritizing preventive maintenance, daily commuters navigating variable road conditions, and road trip enthusiasts requiring reliabled tire health tracking. Monitors tires during highway drives, cold winter startups, off roading adventures, and prolonged parking periods, with IP67 waterproof sensors enduring mud, snow, and extreme temperatures from 40℃ to 85℃. The color coded LCD screen simultaneously displays all four tires' data with auto adjusting backlight, while smart sleep mode conserves energy between driving for uninterrupted TPMS performances. Specifications: Component: pc+abs Color: Black Weight: 200g Size: 16x14x5cm/6.3x5.51x1.96inch Package Includes: 1 Set Wireless Tire Pressure Monitoring Systems note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.