The Bosch LR 60 G Professional Laser Receiver detects green laser beams. It offers five sensitivity and four volume settings, and features LEDs with adjustable brightness levels for detecting the laser beam. The long reception window (125 mm) and dual-sided backlit display with mm offset feature ensure efficient working and quick laser detection. Bluetooth® communication with the rotary laser GRL 650 CHVG Professional enables additional features, such as user calibration (uCAL) , and dual CenterFind and CenterLock functionalities. Compact and robust. The durable rubber keypad, dust and water protection that meets IP67 standards, and secure, soft grip make this the perfect device for heavy-duty jobs. Ideal for a wide range of interior and exterior levelling and alignment applications. Specifications: Range: 0-325m. Accuracy (Fine/Rough) : +-0.5mm/+-10mm. Suitable for: GRL 650 CHVG. Power: 2 x AA 1.5V LR6 Batteries (supplied) Dust and Splash Protection: IP67. Weight: 380g.