Check the listing for details. Legrand Wattstopper LMDL-600 Dual-Loop Photosensor – Digital Lighting Management. Condition: Used. Listed at 20.00 USD. Item: Legrand Wattstopper LMDL-600 Dual-Loop Photosensor. Works with LMRC, LMCP, and other Wattstopper DLM components. Manufacturer: Legrand / Wattstopper. Model: LMDL-600 Dual-Loop Photosensor. Energy-efficient lighting retrofits.