collection : Please be remindful that this item is agreeable with pulse induction laser levels entirely. It is you confirm with the seller that this item will work for you. for use with roundabout laser levels. Technical : Display : treble LCD Leveling Accuracy -LRB- mellow -RRB- : = 2 mm Leveling Accuracy -LRB- down in the mouth -RRB- : = 3 mm Laser Reception Window Width : 13 mm functioning Range : = 60m -LRB- true -RRB- depend on illumination source Bubble Vial Accuracy : 30 ' / 2 mm Laser Class : Class 2 -LRB- IEC/EN60825 -1 / 2007 -RRB- power outputOperating Time : 20h Auto Power Off -LRB- with No Signal Detected -RRB- : 10 min Power Source : 2 × AA Batteries -LRB- Alkaline -RRB- Operating Temperature Range : -10 ? . to + ? . Storage Temperature : -25 ? . to + ? . -LRB- LxWxH -RRB- : 140 × 68 × 26 mm Weight : 140g What 's in the box : 1 * Huepar LR510 Digital Laser Detector 1 * heavy clamp 2 * AA batteries .