Very good device whose measurements are reliable! The handling is very easy. I hesitated before buying such a device (I am actually lend up now), but now I can enjoy. You can easily find a use: it measures everything quickly and efficiently (even simple areas). Operation is intuitive and taking very good hand. The quality of materials is very present and very pleasant to hold. 3 small batteries (included) to make it work: to see over time if the battery is satisfactory. Small flat, one leg on the bottom of the unit allows two different modes of action, to see if it's practical (because for my tests, I'm not used it because I do not think it takes properly . Its Bluetooth feature allows you to connect to, for example, telephone and so put measures on photos. This will be an addition to my comments when I have enough evidence to argue. Otherwise a very good laser rangefinder. Classified category 2, be careful not to put children at your fingertips. A small carrying pouch is supplied, that's great!