KKmoon TPMS Tire Pressure Monitoring System Wireless Real-time Solar Energy LCD Display 4 External Sensors Alarm Function

Specification:
Monitor:
Display screen: LCD
Operating temperature: -20℃ ~ 80℃
Working voltage: 3.5-4.2V
Daytime operating current/Night operating current/Standby current:＜20mA/＜4mA/＜50uA
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)