Additional information: Laser beam color green Battery voltage 3.7 V Laser diode 500 – 540 nm, < 10 mW Operating temperature -10 – 40 °C Storage temperature -20 – 70 °C Laser class 2 Working range* radius up to 30 m Working range with receiver* radius up to 80 m Leveling accuracy* ±0.3 mm/m? Auto-leveling range ± 4° Leveling time 4 s Dust and water protection IP 65 Power supply 4 x 1.5 V LR6 (AA) batteries, 3.7 V (3000 mAh) Li-ion battery Max. operating time 5 h (Li-ion) and 5 h (4 AA batteries) in 3-line mode Tripod thread 1/4", 5/8" Weight, approx.** 0.93 kg Projection 3 lines 360° Compatible laser receivers LR 7 Working range, value 30 m Working range with receiver, value 80 m Easy alignment with our intuitive line laser Rubber-reinforced housing and IP65 protection ensure dust and water resistance New button design ensures clear laser line selection, and an additional power-saving mode extends battery life Dual Power Source feature allows seamless interchangeability between the BA 3.7V 3.0Ah XL Lithium-Ion battery and AA alkaline batteries, helping to eliminate downtime **