uxcell 220V 50Hz 20/30dB 4 Way CATV TV Outdoor Indoor Antenna Signal Amplifier Booster Net Weight: 226g; Color: Silver Tone; Package Content: 1 x TV Signal Amplifier, 5 x F Plugs Product Name: TV Signal Amplifier; Audio/Video Output: 4; Audio/Video Input: 1 Cable Length: 84cm/ 2.8Ft; Type: AV Adapter/Converter; Battery Included: No Max Amplify Gain: 20/30dB; Power and Frequency: 220V, 50Hz; Size: 122 x 70 x 30mm/ 4.8" x 2.8" x 1.2"(L*W*T) Four output ports; Professional grade performance; Meets US and international standards