Specification:Item Type: Injection penMaterial: ABSProduct Color: OrangeProduct Mode: 03 mode, 05 modeBattery Type: Lithium batteryBattery Capacity: 2000mAh(built in) Power Supply Mode: USB chargingInstallation method:Step 1: Take out the matching 03, 05 type headsStep 2: Insert the 03/05 die head into this machine and turn right to tightenStep 3: Take out the matching 03/05 model consumable sprayerStep 4: Insert the 03/05 sprayer into the head and tighten to the rightInstructions:Trigger switch once all equipment is assembled, press the power button to start the machine. Switch to 03 or 05 operating mode and press the key to adjust the desired dose.First press the trigger switch to reset the machine to its original working state. Press the trigger switch, the machine will automatically pump out the required dose, at this time, the machine will automatically reset to the following working state, and then press the trigger switch. The machine will automatically drop a dose until the liquid is finished. After the last round, the head will automatically come out within 5 seconds. Note: After each replacement of the mode head, the trigger switch must be pressed to reset the machine to the initial working state! Reset → press → pump out liquid → press → pump out liquid until the desired dose is completed.Package List:1 x Injector Pen2 x Heads1 x Instruction Manual1 x USB Cable