... .RF Remote Control System 2.RF Remote control 3.wireless remote control 4.2 Input / 2 Output / USB Wireless Remote Control on off ... Supports armed, disarmed, inquiry status, switch on or off relay output by SMS Commands; Password protected, prevents unauthorized user ... Dry Contact, NC,NO,EOL.Output Type2 Relay Output, 240VAC@3A, Relay inside.Exterior dimensionLXWXH 153x86x28mmBackup-battery3.7V 1200MAh ...