Tire pressure monitor features high precision, low power consumption, and stable performance. Equipped with a large-capacity battery for extended usage. Constructed from high-quality ABS and PC materials for durability. Supports dual power supply: charger and solar. Compact design with dimensions of 9.9cm x 7.8cm x 2.6cm (3.9" x 3.07" x 1.02"). Features a convenient and quick installation method, allowing easy self-installation and pairing. Suitable for most vehicles. Classic, compact design makes it easy to carry and transport. Item Name: Tire Pressure Monitor Material: ABS, PC Battery: 500mAh (Included) Working Frequency: 433.92MHz 0.1MHz Working Temperature: -40C to +85C (-40F to +185F) Working Current: 30mA Working Voltage: 5V Pressure Range: 0-5.0 Bar / 0-72.5 Psi Waterproof Rating: IP67 Features: Waterproof, Dustproof, Wireless Size Details: 9.9cm x 7.8cm x 2.6cm / 3.9" x 3.07" x 1.02" (Approx.) Notes: Due to lighting and screen setting differences, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Tire Pressure Monitor 4 x External Sensor (Battery Included) 1 x Portable Tool 1 x Double-sided Tape 1 x User Manual 4 x Nut