Flex ALC 2/1-G/R Laser Level (509.833)With an individually switchable horizontal and vertical laser line Specially coated glasses ensure clean and high precision laser lines. Green laser diode The green line is easily visible, even in bad lighting conditions Extends the range from 50 metres up to 70 metres with receiver Self levelling Optical warning signal when self levelling range exceeded Self levelling which can be switched off Simple operation Integrated Li polymer rechargeable