The DEWALT DW088CG Cross Line Green Laser is self-levelling up to 4 and accurate to 0.3 mm/m in levelling applications. It has an integrated magnetic pivoting base with 1/4in thread for use with tripod. With automatic out of level indication that can mark a levelled line in seconds and maintains full brightness for visibility. The body of the level is IP54 rated, meaning it is resistant to debris/water. The overmoulded housing and thick glass protect the tool and help maintain calibration under jobsite conditions. Full-time pulse mode allows use with detector. Works with DE0892G detector (not supplied) up to the distance of 50 metres. Specification: Laser Class: 2, Level Accuracy: 3mm@10mSelf-Levelling Range: 4.Visibility Indoor: 20m.Power: 3 x AA batteries (supplied).Thread: 1/4in.