DeWalt DW087K Self-Levelling Line Laser

Features :
Self-levelling cross line laser is accurate to ±0.3 mm /m in levelling applications.
Built-in magnetic pivot bracket mounts easily on to metal surfaces.
Overmolded housing helps maintain calibration under jobsite conditions.
Includes 3 (AA) batteries for 20+ hours runtime.
2-button operation and low battery indication for ease-of-use.
Self-levelling up to 4° surface angle with automatic out-of-level indication, marks a levelled line in seconds.
Kit box protects unit and helps maintain calibration when stored in gang box.

Specifications:

Power supply: 4.5V - 3 x AA.
Self-levelling range: avg. 4°.
Laser class: 2, <1mW.
Accuracy: +/-0.3 mm /m.
Indoor visibility range: 15m.
Tripod connection: 1/4in.
Number of beams: 2.
Direction of beams: vertical/level.
Weight [excluding battery]: 0.46Kg.
Width: 61mm.
Length: 112mm.
Height: 113mm.

Supplied with 3 x AA size alkaline batteries, wall mount bracket and heavy-duty carry case.