The Model DXS-10 Supervised Remote Keypad adds remote control to DVS-1200, DVS-2400 and DUAL-824 Security Systems. The wireless keypad transmitter controls all of the system's modes and can trigger the fire and emergency zones. The keypad can be used on a table top or wall mounted and is powered by a 9-volt battery. If the battery becomes low, the keypad will send low battery reports to the system. Features Adds remote control to DVS-1200, DVS-2400 and DUAL-824 Security Systems Arming, disarming, fire, and emergency alarm capabilities Telephone style keypad plus system mode keys Wall mounting or tabletop use Powered by one 9-volt battery (included) RF frequency: 315 MHz 3.8" W x 3.56" H x 1.25" D