Joyetech CuAIO D22 Starter KitShort circuit Protection Function: Yes Firmware Upgradeable: No TCR Adjustment Modes: No Atomizers Identification Function: Yes Temperature Control: No Nominal Capacity: 1500mAh Display screen: No Overheating Protection Function: Yes Model Number: Joyetech CuAIO D22 Starter Kit Monitoring Function Of Smoking Number: No Type: With Battery Brand Name: JOYETECH USB Charger: Yes Silicone Case: No Material: Metal Built in Or External Battery: Yes