ELK-TRG1640 16.5VAC, 45 VA Wall Mount Power Supply. Primary Voltage: 120V AC, .43 Amp. Secondary Voltage: 16.5V AC, 2.7 Amp, 45 VA. Auto-Reset Overload Protection, LED Power Identification. Terminal Connection for Secondary Voltage; Grounding Prong & Terminal.Trusted, professional grade step down transformer for low voltage systems, such as Access Control, Security & CCTV.Main FeaturesAuto-Resetting (PTC) Fused SecondaryGreen Power On LEDGrounding Prong & TerminalElectrical outlet mounting tabEfficiency Level VIUL ListedWire Strain ReliefLifetime Limited WarrantyGeneral InformationName: Transformer, 16.5VAC 40VA w/PTC Protection, ELK Products, Inc, ELKCategory: Elk Products Inc., Batteries & Power Supplies, TransformersUPC Code: 762158116407Country of origin: China. Country of origin is subject to change.