If you need it for accurate measurements then it won't work. But if you need it for housework or office work, I think it's a good and inexpensive option. I can let my little kids use it without worrying too much about them damaging very sophisticated devices.
Synthesizer CASIO CT-S200 black
24 Review
Cullaby Contour Gauge: 10 & 5 Inch Duplications For Perfect Templates Of Curved And Odd Shapes, Plus Bonus Angle Ruler & Carpenter Pen!
23 Review
Accurately Measure Angles And Levels With GemRed XVB Digital Gauge Level Box For Pipe Conduit
25 Review
Laser pointer Green Laser 303
31 Review
Digital multimeter RGK DM-12
6 Review
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
π Dioxide Controller for Digital Gas Monitoring
5 Review
π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review