You can find the current prices belongs to Bamo - AL4 (P/N: 282204) coded PCB extra for 4 alarms, relay outputs product. AL4 (P/N: 282204) became irreplaceable of foundations. We are one of the few companies which can present an offer for this product. It produced result of tests of laborotory for years. Make an offer to us for AL4 (P/N: 282204) please contact us.