Laser Receiver LR 1, More benefit thanks to accessories, Handy receiver for indoor and outdoor use for ranges of up to 200 m in combination with GRL 400 H Professional and GRL 300 HV Professional Rotation Lasers, Visual and audible alignment of the laser beam plane, Dust and splash protection (IP65), Bracket (1 608 M00 70F), 1 x 9 V block battery (6LR61)