Stanley STHT9-77425 TLM30 9M Pocket Laser Distance Measure The Stanley STHT9-77425 allows you to capture measurements on the go. Its pocket-size means it is easy to carry and the 30-foot range is suitable for most interior measurements. Features: 1/4\" at 30 feet for accuracy 30 ft range for tackling most measuring tasks Lithium-Ion battery for on the go USB charging Auto switch-off after 90 seconds Specification: laser diode: 635 nm - class 2 Range: 0.5 m to 9 m Accuracy: +/- 6 mm