9 ELECTRICAL SIGNALING INSTRUMENTS, NAMELY, TELEPHONES; ALARM SYSTEMS, NAMELY, BURGLAR ALARMS, AND PARTS THEREFOR, NAMELY, HOUSINGS AND CIRCUITRY; FITTINGS FOR MOUNTING ALARM SYSTEMS, NAMELY, SCREWS, BOLTS, BRACKETS AND PLATES; MONITORING APPARATUS, NAMELY, ELECTRICAL CONTROLLERS; TESTING APPARATUS, NAMELY, BATTERY TESTING APPARATUS; OPEN AND CLOSED REGULATION AND SWITCHING EQUIPMENT AND INSTRUMENTS, NAMELY, ELECTRICAL SWITCH PLATES; VIDEO SURVEILLANCE DEVICES, NAMELY, VIDEO HOUSE STATION AND VIDEO DOOR STATION, AND PARTS THEREFOR, NAMELY, VIDEO DISPLAY CARDS AND CIRCUITRY; FITTINGS FOR MOUNTING VIDEO SURVEILLANCE DEVICES, NAMELY, SCREWS, BOLTS, BRACKETS AND PLATES