Black & Decker BDL230S Auto Levelling Laser with Sensor

Automatic horizontal laser - levels in less than 5 seconds; quick and easy to set up and gives accurate results.
LCD display communicates settings to the user for ease-of-use.
Incorporated stud, AC live wire and metal detector can be used as a precaution prior to drilling.

Applications:
Hanging pictures, installing shelves, hanging dado rails, fitting curtain rails, fitting light switches, fitting electrical switches, hanging wallpaper borders, detection of studs, metal pipes and AC live wire.

Specifications:
Laser class: 2.
Levels automatically: yes.
Accuracy: +/-3 mm /m.
Total visible line span (varies with lighting and surface conditions): 4m (8m total).
Voltage: 9V.
Metal pipe and live wire indicator: yes.