Charging system 1. Operating Voltage DC. 3.7V 2. Adaptor Input: AC 100-240V Output: DC (5V-12V 2A) 3. Charging time 5 hours 4. Continuous heat-up time for gun after fully charging 60 minutes 5. Continuous heat-up time for pen after fully charging 30minutes Obturation Gun 1. Heater DC3.7V 8W 2. Temperature sensor Thermocouple 3. Heating time 30 seconds 4. Temperature range 100-220 C. degree Obturation Pen 1. Temperature sensor IC type 2. Heating time 2 Seconds 3. Temperature range 100-300 C. degree Battery (Lion) 1) Capacity: DC3.7 V 2200mah 2) Operating condition: Temperature 5-40 Fever needle Packaging Obturation gun x 1 Obturation pen x 1 Charging base x 1 Heat insulator x 2 Stand for gun x 1 Stand for pen x 1 Battery x 2 Gun needles x 3 Pen tips (F FM M ML) x3 English manual x 1