Why SonRu High Quality Solar Energy TPMS is Your BEST Choice Uses 4 sensors to monitoring simultaneously in real time. Can check the data through the displayer. The item is built with Freescale scheme, make data more precise and stable. The battery can be charged by solar system. And also can be charged with USB. 1 year warranty with CE/FCC/RoHS certificates. External sensor parameter: Transmission frequency: 433.92MHz Transmission power: <10dBm Battery life: 24 months Working voltage: 2.1-3.6V Pressure range: 0-800Kpa Pressure resolution: ±10Kpa Waterproof rate: IP67 Working temperature: -40℃~85℃ Temperature resolution: ±3℃(25℃) Storage temperature: -40℃~90℃ Car charger receiver parameters: Receive frequency: 433.92MHz±50KHz Sensitivity: -90dBm Battery capacity: 450mAh Working voltage: 5V Working electricity: <6mA Dormant electricity: <0.1mA Display screen: LCD Duration: Always full of energy while of plenty sunshine Working temperature: -20℃~75℃ Storage temperature: -30℃~80℃ How to use: 1. Plug monitor into cigarette lighter hole, turn on monitor 2. Unscrew the tires valve cap 3. Screw in the hexagon nut 4. Put in the washer 5. Insert and tighten the sensor 6. Tighten up the hexagon nut to the sensor following reverse direction with spanner Tips: 1. Firstly please make sure the monitor is switched on or connected to power. 2. Then install sensors on tires. When operate differently from above steps, tire data might be displayed after the vehicle traveling for 5 minutes or more. This TPMS is already programmed for using, no setting required unless any change needed. Package includes： 1 * Monitor 4 * Sensor 1 * Wrench 4 * Hexagonal nut 1 * Battery change tool 1 * English instruction manual
A**A
Very usefull for the motorhome
This setup is great for any vehicle that has hard-to-reach valve stems. We use it on the motorhome to monitor the expensive tires. Mounted all four on the rear wheels because the front wheels are easy to access and read. The temperature reports up to 99 degrees Celsius and seems to be very accurate. Lead us to install a new exhaust system because the...uh..."custom" setup was heating up the driver side tires very significantly. with the new exhaust system all is well. The pressure is as accurate as any other tool I have. The solar charging is a HUGE bonus. You just stick it on the dash, set the warning parameters and look at it if it starts beeping.
M**A
Utterly useless for jeeps, OHVs, or any vehicle with large tires. FALSE ADVERTISING!
It appears that the listing's claim that the sensor system is good for 0-8 Bar (0-116 PSI) is flatly untrue. There appears to be no way to disable the underpressure alarm, and there's no way to set the alarm trigger point below 22PSI. This means that if you regularly run below 22PSI, the system is useless, as it's always sounding alarms. (Most large tires are often used at 10-25 PSI, especially on rough roads, sand, and off-road.) Ironically, it's when running at low pressure, on rougher surfaces, when an underpressure warning (set to, for example, 8PSI) is incredibly valuable.
S**1
Not bright enough :(
It works well enough, however, the display is almost impossible to see in bright sun light and there seems to be no way to adjust the brightness level higher to view it better :(
I**S
Somewhat effective
You get what you pay for. I am sure there are a lot better product out there for the price. It works sometimes, but not sure it works efficiently.
J**S
Product in use. Thanks
Received product and in use. Thanks
M**M
Two Stars
The screen is very sensitive , you should place a protective sticker on it to prevent scratches.
W**R
Doesn't go above 89psi
This unit did not read pressures above 89 psi. Not the 116psi as advertised. Other than that these units work well and surprisingly accurate.
S**
Battery
How do I change the battery and what is the battery specifications?
Trustpilot
1 month ago
1 week ago
