The REDLITHIUM™ USB rechargeable green cross line laser with plumb points delivers all-in-one functionality for horizontal levelling, vertical alignment, and plumb point transfer from floor to ceiling. Its high-intensity green laser diode provides up to 4x better visibility than red lasers, with a working range of 30 m and up to 100 m when used with a detector. Powered by a removable REDLITHIUM™ USB 3.0 Ah battery, it offers over 8 hours of runtime, with one battery replacing up to 6,000 alkaline batteries over its lifetime.