Bulkier than the DIY device

Opposite of yourself model has this device, although some advantages, such as lower power consumption, the level or the fold-out thorn for diagonal measurements from corners out. However, the rubber buttons on the spill-resistant keyboard are too sluggish. The effort required for pressing the buttons is so high that the measurements shake when the device is not supported with the second hand. The DIY device can be easily operated with one hand on the other hand.