Chipset: YiHi SX505J 18650 Battery (not included) Wattage: 1-60W Output: ≤8V Size: 82.2x48x22mm Quiescent current: <10μA Min Ω: ≥0.15Ω Max Charge: 5V/1A   Pure Mode Setup 1. Wake up the device. 2. Install a VP cartridge while the device is awake. 3. Choose Pure Mode 4. Choose "LOCK NEW" for a fresh new installed cartridge. Or choose "LOCK OLD" only if you locked that same cartridge before. 5. Ready to vape. Wattage Mode 1. Choose Wattage Mode 2. Press "UP" / "DOWN" to adjust power Temp Mode Setup 1. Choose TEMP Mode. 2. Set Temp units: ℃/℉ 3. Set your current room temp 4. Choose Temp Modulation: CONSTANT - (Conservative) DYNAMMIC - (Punchier vape) 5. Choose wire/TCR value 6. Lock the resistance *Auto lock - an automatic resistance locking mechanism. Once it senses that the coil has already cooled down to its base resistance, it will automatically register/lock the resistance Ω.   Current VP Cartridge specifications: P15 | SS316L | 10W-15W | recommended for MTL P20 | SS316L | 15W-20W | Mesh | recommended for MTL/RDTL P40 | SS316L | 35W-45W | Mesh | recommended for RDTL/DTL