It looks solid, seems repeatable, accuracy is hard to pin down.
It's hard to tell how accurate it is. It's right up there as it pretty much matches the other two I have. It's repeatability (accuracy), so it's good. You need to gently hold it on the valve to maintain repeatability.
Pros
HIGH RESOLUTION - The LCD screen features a battery indicator and bright LED backlight for excellent visibility in the dark. Features an intelligent battery saver mode that turns off the sensor after 90 seconds of inactivity to conserve battery power (2 AAA batteries included)