Topcon RC-500 wireless pipe laser remote control allows you to remotely control most functions of the TP-L6 series pipe lasers. Conveniently aligns the beam while using a transit, or saves power by temporarily putting the unit in standby mode using the ON/OFF switch.
Works exclusively with the TP-L6 series pipe laser 
Power Source: (2) AA alkaline batteries*
Operating Range: Front: 656 ft (200 m); Rear: 82 ft (25 m)
Auto-centering grade match for quick grade reference and elevation matching
Auto-Alignment mode allows fast and easy acquisition of target (TP-L6GV/G/AV/A models only)
Laser standby to save battery power
Beam mode to manage brightness
Batteries not included