1504-086 Deluxe Digital Keypad, Surface Mount with Intercom and 1000 Codes. Programmable digital lock stores up to 1000 four-digit and 6 five-digit access codes. Stainless steel faceplates galvanized steel sub?plates and are housed in a rugged steel cabinet.
1504-081 Surface Mount with Intercom Combines the 1503 or 1506 keypad (and the features of each as listed) into a common housing with an intercom sub-station. A master intercom station (not provided) is required to establish communication with the 1504.