TNSO CPSP-0009 Signal Booster 5V Output 120V Input Wall Charger - White Signal booster 5V output 120V input wall Charger Compatibility: boost Signal Booster: YX545 YX545X YX645 ZB545 ZB545M ZB545X ZB645SL ZB645SL-CM Item weight - 1.0 lbs. Package quantity: 1 Excellent Quality.