Anything i need to pay attention to during the installation?

Please turn on the monitor before sensors installation, if the monitor is turned on after sensors installed, drive the car for 5~10 minutes then the data will be shown on screen.

Do i need to set the high and low pressure alert value?

No. Set the tires to standard pressure before sensors installed, the system will auto set the current pressure when installed the sensor as reference pressure, when pressure is +25% PSI higher or -15% PSI lower than Reference Pressure, it alerts.

What the provided 4 piece hex nuts and 1 piece spanner for?

The sensors are with anti-theft design, if you want to implement this function, screw in the nut and screw the sensor onto the tire valve, tighten the nut with the spanner towards the sensor direction. It can't be easily removed with nut tightened.

How long will the TPMS system last?

The TPMS sensors are designed with low power consumption and they will last long to 2 years. If user get low sensor battery alert from the display, replace with new CR1632 battery for sensor.

Masoll Tire Pressure Monitoring System Rv Trailer Tpms With Solar

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Description

🚗 Stay Ahead of the Curve with Masoll’s Smart Solar TPMS – Because Your Tires Deserve VIP Treatment!

CRYSTAL CLEAR LCD DISPLAY - Anti-reflective, auto backlit screen ensures instant, accurate tire pressure readings day or night.
ECO FRIENDLY SOLAR CHARGING - Harness sunlight for nonstop power with built-in overcharge and overheat protection—never worry about battery life on the road.
EFFORTLESS AUTO CALIBRATION - Set once, forget pressure thresholds—smart sensors auto-adjust with every tire inflation or deflation.
UNIVERSAL FIT FOR YOUR FLEET - Perfect for sedans, SUVs, pickups, RVs, and trailers under 38ft—expandable with signal booster for longer rigs.
SECURE LONG LASTING SENSORS - Anti-theft hex nuts included plus low power consumption for up to 2 years of reliable monitoring.

The Masoll M13 Tire Pressure Monitoring System is a cutting-edge, solar-powered TPMS designed for vehicles with up to 4 tires, including RVs and trailers under 38ft. Featuring intelligent auto calibration, a high-definition anti-reflective LCD display, and secure anti-theft sensors, it delivers precise pressure readings (0-87 PSI with ±1.5 PSI accuracy) and real-time alerts without manual setup. Its eco-friendly solar charging and power-saving auto wake/sleep modes ensure long-lasting performance, making it an essential safety upgrade for professional drivers and road warriors alike.

Specifications

ASIN	B0D943S8NW
Best Sellers Rank	#9,343 in Automotive ( See Top 100 in Automotive ) #23 in Replacement Tire Pressure Monitoring System (TPMS) Sensors
Brand	Masoll
Brand Name	Masoll
Customer Reviews	4.5 out of 5 stars 456 Reviews
Included Components	1x LCD display Tire Pressure Monitor, 4 Tire sensors, Accessories
Item Dimensions	1.18 inches
Item Type Name	Tire Pressure Monitoring System,TPMS, RV TPMS
Item Weight	8 Ounces
Item dimensions L x W x H	1.18 inches
Manufacturer	nLONG
Material	Plastic
Material Type	Plastic
Model	M13+MZS3
Number of Items	1
Part Number	M13+MZS3
UPC	767461916171
Unit Count	4.0 Count
Warranty Description	1 Year for Monitor and 6 month for Sensors

Reviews

R**D

6.03.2026

M**K

5.04.2026

J**D

9.06.2025

R**D

29.04.2026

M**W

11.09.2025

C**U

16.04.2026

C**R

9.04.2026

M**.

23.04.2026

S**M

28.11.2025

A**D

7.02.2026

T**Y

29.04.2026

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