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Product model: SF520S

product name: Tirebull SF520S Car TPMS Solar TPMS LCD tire sensors valve tpms car tyre pressure checker Tyre Pressure tire sensors

Key features:

-Dynamically monitor tire pressure, can prevent puncture and damage of car parts caused by the flat tire. Improve fuel efficiency, prolong tire life, increase traffic safety and avoid abnormal wear of vehicle parts.
- Built-in lithium-ion battery, LCD screen displays tire pressure and temperature simultaneously.
- Each sensor is controlled by individual chip

- Support visual and audio alarm, air leakage alarm, overproof tire pressure and temperature alarm.
- Tire pressure and temperature alarm standard level can be set.
- Designed for most 4-tire cars, equipped with the solar panel, can be charged with solar power or by a charging cable.

Technical specifications for display:

• Operating frequency: 433.92MHz ±68KHz

• Operating current: =4mA

• Static current: =100µA

• Operating voltage: 2.6-3.6V

• Operating temperature: -20?-+85?

• Built-in battery capacity: 3.2V/160mA

• Charging temperature: 10?-+65?

• Solar charging current: =15mA (at 5500LX 25?/77?)

• USB charging current: =40mA

Technical specifications for sensor:

	Internal sensor	External sensor
Operating frequency	433.92MHz ±28KHz	433.92MHz ±28KHz
Operating voltage	2.0-3.8V	2.0-3.8V
Operating current	=10mA	=10mA
Static current	=1uA	=1uA
Operating temperature	-40°C - +125°	20°C - +85°
Storage temperature	-40 °C - +125°C	-20 °C - +65°C
Battery life	=5 years	=2 years
Weight:	30g ±1g	9g ±1g

The size for display:

The size for internal sensor:

The size for external sensor:

The size of package:

Installations for internal sensor:

Installations for external sensor:

Installation locations for display: