The DeWalt DCE825 18v Green Beam Laser Level is a self-levelling cross line laser with 5 spots. The green beam laser diode provides full brightness for visibility and extended working range. Features and Benefits:Accuracy +/-3mm at 10mVariable blink sequence for manual modeFull time pulse mode allows use with detectorLocking Pendulum to help prevent damage to internal componentsBattery indicator Specifications Battery Type: DeWalt Lithium-IonVoltage: 18vWorking Range: 30m (50m with detector)Colour: Green Contents DeWalt DCE825 18v 5 Spot and Cross Green Beam Laser LevelNo BatteriesNo ChargerCase