The VOOPOO TPP4 DM4 coils are designed for use with the TPP platform atomiser system, featuring a mesh design with 0.3ohm resistance. These coils are suitable for half direct lung vaping and perform best within a power range of 32 to 40 watts, with optimal performance at 35 watts. It is recommended to use e-liquid with a nicotine content of 10mg or less.