What's in the box:

KKmoon TPMS Tire Pressure Monitoring System(External Sensors) (1)

Features:
*Tire Pressure Monitoring System lets you get real-time tire pressure data, temperature data and status, always keeping an eye on car performance.
*Combined with the solar energy display that is green, low carbon and renewable, enabling you to charge the device faster and conveniently.
*4 wheels' tire pressure and temperature display simultaneously, high/low tire pressure alarm, high temperature alarm and air leakage condition alarm.
*The real-time tire pressure data, reliable alarm system delivers alerts once an unusual situation occurs, very convenient and practical.
*TPMS adopts wireless transmission, and no wire connection required, easy installation, as well as easy operation.

Specification:
Monitor:
Display screen: LCD
Operating temperature: -20? ~ 80?
Working voltage: 3.5-4.2V
Daytime operating current/Night operating current/Standby current:<20mA> 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 * Button-head Cap
1 * User Manual(English)