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Ballast Type: HID, Magnetic; Lamp Type: High Pressure Sodium; Lamp Watts: 70W; Number of Lamps: 1; Lamp Starting Method: Pulse; Circuit: RX-NPF, RX-HPF; Voltage: 120V AC; Ballast Factor: 1.00; ANSI Code: S62; Min Temp - deg F: -40°F; Dimensions: 2.19 in. L x 2.25 in. W x 2.63 in. H; Enclosure: BL