Feature: 1. Applicable Models: TPMS tire pressure monitoring system has wide applications, suitable for all kinds of cars, trucks, RVs and so on. 2. 4 External Sensors: This kit includes 4pcs external sensors, tire pressure and tire temperature of 4 wheels is simultaneously displayed. 3. Alarm Modes: Solar TPMS is safe to use, with high and low pressure alarm, high temperature alarm and sensor low pressure alarm. 4. Real Time Display: Tire pressure monitor can display vehicle speed, fuel consumption and battery voltage. Built in high accuracy clock chip, real time display. 5. Safe Driving: The tire pressure monitor alarms when the tire pressure and tire temperature are abnormal. The default value can be adjusted according to actual needs. Specification: Item Type: Tire Pressure Monitoring System Material: ABS Receiver Parameters: Receiving Frequency: 433.92MHz Power Supply Mode: USB Power Supply, Solar Power Supply Working Voltage: DC 5V Pressure Unit: Bar and Psi Temperature Unit: ℃ and ℉ Operating Temperature: - 20-85 ℃ Storage Temperature: - 40-125 ℃ Tire Pressure Detector Parameters: Transmission Frequency: 433.92MHz Pressure Range: 0-3.5 Bar, 0-50 Psi Default Low Pressure Alarm Value: 1.8 Bar Default High Pressure Alarm Value: 3.2 Bar Pressure Accuracy: ± 0.1 Bar, ± 1.5 Psi Working Voltage: DC+2.0-3.6V Operating Temperature: - 20-85 ℃ Storage Temperature: - 40-125 ℃ Waterproof Grade: IP67 Battery: 4pcs CR1632 button batteries 120mAh 3.0V (built in battery) Display Battery: 1 polymer lithium battery 400mAh 3.7V (built in battery) Battery Life: 1.5-2 years typical value Applicable Models: All kinds of car truck RV modelsAbnormal tire pressure and tire temperature alarm, Alarm when tire pressure is higher than 3.2 bar (default value) Alarm when tire pressure is lower than 1.8 bar (default value) Alarm when tire temperature is higher than 68°C (default value) The default value can be adjusted according to actual needs. Package List: 1 x RV Tire Pressure Monitor4 x Sensor1 x 0BD Diagnostic Tool4 x Anti Theft Nut1 x Non Slip Mat1 x USB Cable1 x Wrench1 x Instructions