Brand: Tyredog - Model: TD1000A-X - Quantity: 1 piece - Color: Black - Function: Monitors the car tire temperature and pressure - Screen size: 2.7" Sensor specification: - Frequency: 433.92MHz - Operating voltage: DC 3V - Battery lift: 1 year (depends on working hours per day) - Operating voltage: -20'C~80'C Monitor Specification: - Frequency: 433.92MHz - Pressure range: 0~60PSI - Accuracy: Tire pressure +/- PSI / temperature +/- 2'C - Operating voltage: DC 3V - Operating temperature: -40'C~125'C - Dimensions: 20.5mm (diameter) x 20mm (height) - Battery life: 1~2 years (depends on working hours per day) - Packing list: - 1 x Tire pressure monitor system - 4 x Tire pressure sensors - 1 x Car charger (290cm-cable) - 2 x AAA batteries - 4 x CR1632 Li-ion batteries - 4 x Anti-theft tools - 1 x Set of suction cup bracket - 1 x Hex wrench - 3 x Installation parts - 1 x English user manual - 1 x Chinese user manual