Involvement:Expert (understands the inner workings) - Ownership:more than 1 month
This is a must have tool. It allows you to take measures quickly and easily alone. It is very useful for vertical measurement.
The price is great.
The 9V batteries are the best choice, they last long.
The accuracy is fair enough, if you hold it properly.
The build quality is poor. The plastic seems "breakable". If you are not a careful person I do not recommend it.
The laser pointer is a joke. It points somewhere else than the spot you are actually pointing at. But this is an ultrasonic measuring device, so that's not a con.
The US "reader" slot is too small, so if the surface you are pointing at is not (almost) perpendicular to the device it won't receive the wave back, giving you an error message. This makes it almost impossible measuring non orthogonal surfaces.
It does not read small distances.
Considering the cons and the pros I recommend this.
If you need a cheap measuring device, choose this, you can't go wrong.
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