Features: Internal 1100mah battery with max 40W output New Ant chip for intelligent vaping 0.96 inch TFT screen with 5 colors theme Compatible with 4 dedicated coils Innovative ERNiCrMo wire material with mesh structure for purer flavor Ingenious airflow system for DL, RDL, MTL vaping 3.5ml capacity with side filling design Overtime protection Short-circuit protection Overcharge protection Over-discharge protection Over-temperature protection