Directv 21 Volt Power Inserter For SWM Integrated LNB (1) Security: Double Insulated / Class II Power Cord: 2 Pole Polarized Male Plug / 1.8 m Input: 100 ~ 120 VAC, 60 Hz, 0.6 A Max, 30 W Max Insertion Loss: 1.5 dB typical Operating Temperature Range: 0 - 52 Degrees C