USB Solar Powered Motorcycle TPMS Wirele Motorbike Tire Tyre Preure Monitoring Alarm System with 2 External SensorsFeature:1. Simultaneous display of tire preure and temperature;2. Alarm for abnormal tire preure and temperature;Alarm when tire preure is higher than 3.2 bar (default value)Alarm when tire preure is lower than 1.8 bar (default value)Alarm when tire temperature is higher than 70 (default value)The default value can be adjusted according to actual needs3. Red and blue atmosphere warning light: The warning light is blue when the tire preure is normal, and red when it is abnormal;4. Solar and USB magnetic dual power supply;5. 5 alarm methods: rapid leak alarm, high and low preure alarm, high temperature alarm, sensor low preure alarm.Specification:Receiver:Transmiion frequency: 433.92MHzPower supply: USB powered, solar poweredWorking voltage: DC 5VPreure unit: bar/psiTemperature unit: /Working temperature: -20 - 85CStorage temperature: -40 - 125External sensor:Transmiion frequency: 433.92MHzPreure range: 0-3.5 bar / 0-47psiDefault low preure alarm value: 1.8 barDefault high preure alarm value: 3.2 barMeasurement accuracy: 0.1 bar / 1.5 psiWorking voltage: DC+2.0 - 3.6VWorking temperature: -20 - 85CStorage temperature: -40 - 125Waterproof: IP67Battery: Built-in CR1632 button battery (the battery can be removed and replaced by yourself)Battery life: 1-1.5 years typical valueNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow slightly measuring deviation due to manual measurement. 1 X Receiver2 X External Sensor2 X Anti-Theft Nut1 X USB Cable1 X Wrench1 X Bracket1 X Instruction