The coil resistance is 0.25 ohm.
The LED light will flash red 15 times to indicate that you need to charge the device.
When the Cloudflask is fully charged, the LED will flash green 20 times and then remain off.
No, it is not adjustable.
Yes, you can detach it and replace it with other 810 drip tips.
Standard version: 5.5 ml, TPD version: 2.0 ml.