The 20 second was on beta units and initial test units. The production units have 3-5 second initial heat up time (from cold to temp, depending on your temperature settings). The time between draws are 1 sec.
Highest temperature will be 480F (can be adjusted through the app up to 480F. The factory default setting for the highest temp is 430F). For standard, it will be 430F.
These are different settings than the batch 1. — Haze Vapes