1Intelligent Voltage Detection: The power inverter makes use of intelligent voltage detection chip and smart Lcd screen to realize real time voltage detection, protecting the battery and your electricity safety all the time. 2Comprehensive Protections: The inverter features overcharge protection, overcurrent protection, overvoltage protection, undercurrent protection, short circuit protection, undervoltage protection, overheat protection and overload protection. 3Heat Sinking Fan: The heavy duty power inverter adopts smart cooling fan which features excellent and fast heat dissipation performance to prevent overheating, as well as lower working noise, stable and precise output voltage. 4Fast Charging: The dual Ac 110V outlets can charge laptop, fan, game console, for kindle, Tv, Dvd players, Christmas lights, etc. And the 5V USB port is ideal for fast charging for Ios, cellphone and other electronic devices. 5Wide Usage: You can connect to a 12V/24V ( also support 48/60/72V) battery system to power your device at home, emergency, outdoor activities or outage, the sturdy aluminum alloy body is more compact and durable.