Rotary levels PLS 180R Battery RBP5 Rechargeable Battery Pack Battery Life, Continuous Use 30 hours (with RBP5 Battery Pack) Line Fan Angle Horizontal = 180° Vertical = 130° Working Range Point Laser (6 only) =30 m (100 ft.) Line Laser Without SLD =15 m (50 ft.) With SLD 6 m to 60 m (20 ft. to 200 ft.) Accuracy =3 mm @ 10 m (=1/8 in at 30 ft.) Laser Leveling System Automatic, Pendulum Range 4° Line Laser Width =2 mm at 5 m Temperature Operating -10 °C to 50 °C (14 °F to 122 °F) Storage With Batteries -18 °C to 50 °C (-0.4 °F to 122 °F) Without Batteries -20 °C to 70 °C (-13 °F to 158 °F) Relative Humidity 0 % to 90 % (0 °C to 35 °C) 0 % to 75 % (35 °C to 40 °C) 0 % to 45 % (40 °C to 50 °C) Size (H x W x L) 116 mm x 64 mm x 104 mm (4.6 in x 2.5 in x 4.1 in) Weight ~ 0.6 kg (1.3 lb.) Safety IEC 61010-1: Pollution Degree 2 Laser IEC 60825-1:2014 Class 2 Light Source Semiconductor laser diode Max Output Power < 1 mW Wavelength 635 nm ± 5 nm Electromagnetic compatibility (EMC) International IEC 61326-1: Basic Electromagnetic Environment CISPR 11: Group 1, Class B Group 1: Equipment has intentionally generated and/or uses conductively-coupled radio frequency energy that is necessary for the internal function of the equipment itself. Class B: Equipment is suitable for use in domestic establishments and in establishments directly connected to a low voltage power supply network which supplies buildings used for domestic purposes. Emissions that exceed the levels required by CISPR 11 can occur when the equipment is connected to a test object Korea (KCC) Class B Equipment (Broadcast communications equipment for home) USA (FCC) 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103.