Specification: USB output: 2.1A Support system: Android4.4 or iOS9.0 or above Wireless connection: Wifi/Bluetooth Shell material : PC + flame retardant ABS Power cord length: 1.5 meters 3C rated voltage range: AC110V-220V Rated current: 10A Rated voltage: AC240V Rated frequency: 50 /60HZ Rated power: 2500W Fireproof grade: V0 conductor Material: phosphor bronze Protection function: overload protection Features: App remote control and voice control: works with Amazon Alexa, Google Home Assistant; Free your hands to control your devices by voice commands; Remotely control the smart socket via your mobile phone from anywhere; no hub or paid subscription service required; Only supports 2.4GHz WiFi network. Overcurrent and overcurrent protection: when the current exceeds the threshold value, the circuit breaker will automatically break to prevent the equipment from overheating and irreparable damage; Use the wifi power strip with an easy mind. Durable and reliable quality: ETL and FCC certified; Fire-resistant PC-V0 shell makes it more durable and longer service life.