TRG1640 Transformer Compatible with any alarm system that requires a 16.5 VAC Transformer. Auto-Resetting (PTC) Fused Secondary Green Power On LED Grounding Prong & Terminal Electrical outlet mounting tab UL Listed Wire Strain Relief Lifetime Limited Warranty Specs: 120VAC, 60Hz 16.5 VAC, 45VA Height: 4.14" x Width 2.74" x Depth...