2D51 $82.12 SKU: 2D51 SENSOR-FOR D4120 DETECTORIn Stock: 127 Get Notified When Available Get Notified When Available Name Last name Email Address (required)Suscribe to marketing emails. Get notified Quantity -+ Details SpecificationsWeight (lbs)0.45 Details Back DetailsSpecificationsWeight (lbs)0.45