EX Mod Product Features: 3.3 to 4.5 Output Voltage 0.8 to 3.0 ohm Atomizer Resistance Range 0.5 to 8.5 Voltage Output Range OLED inch Screen Diagonal Arrangement Output Voltage Battery Life Indicator 4ml Squonk Bottle Held by Magnetic Door Cover Three Button Control Face Oversized Firing Button Dual Adjustment Buttons Built-in 850 mAh Battery USB Port Stainless Steel Plated 510 Threading and Firing Pin Spring Loaded Gold Plated Center Pin Gold Plated Contact Points Device Safety Features Overtime Protection/Atomizer Checking/Low Power/Short Atomizer/High or Low Resistance Warning/Overheat Protection EX Mod Product Dimension: 42mm by 58.5mm by 24mm EX RDA Product Features: 21mm Diameter Single Terminal Dual Post Build Deck 2mm by 3mm Top Mounted Flat Head Screws PEEK Insulator 8mm Deep Juice Well Adjustable Bottom Airflow Ports Single Airflow 2.5mm Recommended Voltage 4.5V 2.0mm Recommended Voltage 4.2V 10 to 20mg Recommended Nicotine Salt Use 1.5mm Recommended Voltage 3.9V 20 to 30mg Recommended Nicotine Salt Use 1.0mm Recommended Voltage 3.6V 30 to 40mg Recommended Nicotine Salt Use 0.8mm Recommended Voltage 3.3V 40 to 50mg Recommended Nicotine Salt Use 0.6mm Recommended Voltage 3.3V 50 to 60mg Recommended Nicotine Salt Use 24K Gold Plated Bottom Feed 510 Contact 304 Stainless Steel 8mm Bore PC 510 Drip Tip 3mm Bore Delrin 510 Drip Tip 4mm Bore PC 510 Drip Tip Product Includes: One Simple EX Squonk Mod One Simple EX RDA One Stainless Steel Top Cap One PC Drip Tip One Delrin Drip Tip One Instructional Manual One Spare Parts Bag Two Superfine MTL Fused Clapton Coils