Specification Item Type: Power Supply Inverter Battery Channel: 1-4 Channels Input: 18V battery DC Output: 12V 5A ( Maximum 10A) USB Output: 2 x USB A: 5V 2.1A, 1 x Type C: 5-12V 18W, PD3.0 AC Output: Rated Power: Modified Sine Wave 300W, AC Voltage: 200-240V, Frequency: 50Hz LED Lamp: 2 modes (10W 6W) Luminous Flux: 600lm 1200lm Operating Temperature: -10-40℃ How to Use USB and AC Function: Press the ON OFF button first, and the USB indicator lights up. The indicator will illuminate. Then connect the USB DC cable to the corresponding socket and start charging the 5V 12V appliance. Charging function of 5V 12V appliance, such as smart phone, tablet, BT speaker, etc. AC Function: First long press the ON OFF button, then press the OI button, and the AC indicator light will light up. AC button OI, AC indicator light will be on, and then connect the AC power plug to the AC power socket to supply power for your appliance. Package List 1 x Inverter 1 x User Manual Note The power of the AC electrical appliance used must be lower than the maximum power of the machine (300W). If the maximum power (300W) or voltage is exceeded, your appliance will automatically stop working. To avoid damaging the equipment, you must confirm that the AC output voltage and frequency of the equipment match the power supply. Do not shine the LED light on anyone eyes at close range. If it is not used for a long time, please remember to remove the battery.