SNAN Solar Powered TPMS, Wireless Tire Pressure Monitoring System Bar Psi Display and Temperature Gauge with 4 External Sensors Colored LCD Screen - Wireless TPMS monitors the pressure and temperature of each tire dynamically at the same time. Numbers of the pressure and temperature shown in the same LCD screen in different colors, making it easier to read when you are driving Double Charging Ways - Equipped with solar panel, the TPMS can be charged with solar power or by a charging cable. Unlike most TPMS that must be plugged into the cigarette lighter, this one can be placed anywhere you wish Enlarge Lifespan Of Sensors - As time goes on, the four tires of your car may become worn in varying degrees. The sensors will be affected accordingly. The SNAN solar power TPMS enable you to switch the position of different sensors to reduce the abrasion to the least Quick Response - It monitors your tires every 4 seconds to make sure everything is under control. Fast leakage alarm by unique visible and audible warning Multiple Protection - The TPMS can be operated under -20~80 circumstance, perfect to guard your life even in harsh environment. The sensors are capable of explosion-proof, waterproof, dust-proof and anti-theft. Besides, SNAN provides a super 18-months warranty and friendly customer service