Features: 1.The product has an external fuse, the reverse prompt, and the battery display. 2.4 USB interface and 2 cigarette lighter interfaces, are easy and convenient to use. 3.The inverter has built?in microcomputer processor and complete protection circuit, with installation protection functions. 4.Can achieve undervoltage protection, overvoltage protection, overload protection, over maintenance protection, short circuit protection, over temperature protection, surge protection, etc. 5.With intelligent automatic protection function, advanced anti?interference technology, soft start circuit, and convenient operation mode. Specification: Features:_x000D_ _x000D_ The product has an external fuse, the reverse prompt, and the battery display. _x000D_ 4 USB interface and 2 cigarette lighter interfaces, are easy and convenient to use. _x000D_ The inverter has built-in microcomputer processor and complete protection circuit, with installation protection functions. _x000D_ Can achieve undervoltage protection, overvoltage protection, overload protection, over maintenance protection, short circuit protection, over temperature protection, surge protection, etc. _x000D_ With intelligent automatic protection function, advanced anti-interference technology, soft start circuit, and convenient operation mode. _x000D_ _x000D_ Specification:_x000D_ Condition: Brand new_x000D_ Material: metal _x000D_ Color: As pictures shown_x000D_ Type: Automotive Inverter_x000D_ Circuit Topology: Full bridge_x000D_ Output Voltage Waveform: Correction wave_x000D_ Input Voltage Range: 12/24 (V)_x000D_ Output Voltage: 220 (V)_x000D_ Output Power: 4000 (W)_x000D_ Inverter Efficiency: 85 (%)_x000D_ Voltage Regulation Rate: 5 (%)_x000D_ Load Adjustment Rate: 5 (%)_x000D_ Rated Capacity: 4000W_x000D_ Output Frequency: 50 (HZ)_x000D_ Maximum Output Power: 4000 (W)_x000D_ Continuous Output Power: 650(W)_x000D_ _x000D_ Package List:_x000D_ 1 x Inverter_x000D_ 1 x Black and Red Power Cord_x000D_ 1 x Instruction Manual_x000D_ _x000D_ Note:_x000D_ 1. When installing the cable, please use the wire supplied by the manufacturer._x000D_ 2. If the 220 volt output line is too long or the wire cross-sectional area is too small, a large amount of power loss will be generated on the wire. The power at the load end is small and the voltage is low. PackageList: