TPMS Tire Pressure Monitoring System

description":"Features: Real-time Monitoring: LCD display shows the pressure and temperature of 4 tires simultaneously, letting you get real-time information about the tire condition. Two Charge Methods: Tire pressure monitoring system is combined with the solar energy panel, quickly charge, also support USB charge (USB cable is not included). Intelligent Alarm: Once there is an abnormal status, a warning happens, such as leakage alert, high temperature alert, high pressure alert, low pressure alert. LCD Digital Screen: Bright backlist for clear readings; Pressure unit is BAR/PSI, and temperature unit is ?/?, all real-time data of car tires is clear at a glance. Effective Protection: 4 high sensitive sensors has waterproof and anti-corrosion, anti -theft features, there is no worry even in rainy days, ensuring your driving safety. Specification: Monitor: Display screen: LCD Operating temperature: -20? ~ 80? Working voltage: 3.5-4.2V Daytime operating current/Night operating current/Standby current:?20mA/?4mA/?50uA Transmission frequency: 433.92MHZ+/-20KHZ Transmission mode: FSK Pressure unit: BAR/PSI Charging ways: Solar energy/USB (USB cable is not included) Battery: 1 * 402040 3.7V 300mAh Monitor size: Approx.9.5*3*1.5cm Monitor weight(with solar panel): Approx.71g Sensor: Operating temperature: - 20? ~ 80? Working voltage: 2-3.6V Standby current:?1uA Transmission frequency: 433.92MHZ+/-20KHZ Transmitted power:?8dBm Open Distance:?30M Battery (each sensor): 1 * CR1632 3V Sensor size (each): Approx.2*2*2cm Sensor weight (each): Approx.8g Package Size: 21*15*6cm / 8.27*5.91*2.36in. Package Weight: 233g / 8.22oz Package List: 1 * Displayer 4 * External Sensors 1 * Wrench 4 * Nut 1 * User Manual(English)