Peerless-AV Ambient Light Sensor Extender AccessoryPeerless AV Ambient Light Sensor Extender unlocks nextlevel display brightness control by letting you supplement or override your displays builtin ambient light sensor. This accessory is engineered for installations where lighting conditions vary dramatically or where sensor placement cant be optimized by the builtin ALS alone. With the ALS Extender, you gain precise, reliable brightness management that sustains superb image quality while reducing