Product description
1.The weight ratio of beech, spruce, larch, birch, cherry, walnut: 8.5-60.0%.
2.The weight ratio of oak, pine, maple, ash, Douglas fir, and eucalyptus: 6.8-53.4%.
3.The weight ratio of cement mortar layer to concrete: 0.9~24.5%.
4.The weight ratio of anhydrous gypsum mortar layer: 0.0 ~ 12.2%.
5.The weight ratio of cement mortar: 0.7~9.2%.
6.The weight ratio of lime mortar to gypsum: 0.5 ~11.0%.
7.The Weight ratio of bricks: 0.0~17.8%.
Backlight: Red/Orange/Green tri-color backlight
Low Battery Indication: YES
Power: 2x1.5V AAA batteries(Not Included)