... -leveling rotary laser 1.Self-calibration function 2.Environment-friendly battery LS525/LSG525 Multi-function automatic-leveling rotary laserFeatures and FunctionsElectronic leveling, and ... ,alkaline battery box,paded hard caseLSG525,LS312 remote control,LSG715 detector,LSG306 laser glasses,LSG307 target,LS310-3adpater,rechargeable batteries,alkaline ...