Technical Specifications Working Range: Up to 30 m Projection: 5 laser points Beam Colour: Green Levelling Accuracy: ±0.35 mm/m (except bottom point) Bottom Point Accuracy: ±0.7 mm/m Self-Levelling Range: ±4° Levelling Time: 4 seconds Laser Class: Class 2 Laser Wavelength: 500–540 nm Power Supply: 2 × 1.5 V AA batteries Operating Time: Up to 8 hours Tripod Thread: 1/4 inch Protection: IP65 Weight: Approx. 0.35 kg Operating Temperature: −10°C to +45°C Bosch confirms these specifications for the GPL 5 G Professional. Description Point Laser Bosch GPL 5 G Professional is a compact and durable 5-point green laser designed for precise 90° layout, point transfer and alignment. Its green laser points offer up to four times better visibility than red points, while the ±4° self-levelling range enables quick and accurate positioning. The integrated rotating mount with strong magnets allows fast and secure mounting on suitable surfaces. Ideal for: 90° wall layout, floor-to-ceiling point transfer, drywall framing, plumbing alignment, partition installation, electrical layout and general construction work.