The bosch gll 3 80 p professional is a compact multi line laser for all indoor applications it has one horizontal and 2 vertical 360deg lines that enable many new applications for simultaneous marking alignment and levelling whilst indoors self levelling 4deg in 4 sec very precise plusmn 02 mmm and range of up to 80 m with receiver it is compact and robust with ip54 it comes complete with laser target protective bag 4 x 15 v lr6 aa batteries and an l boxx inlay for the too