[How to Play]
Simultaneous Mode: Touch one or N ion balls for N seconds (configurable time) to trigger the mechanism.
Sequential Mode: Touch N ion balls in sequence to trigger the mechanism.
[Highlights]
Easy installation; expandable TF card for sound effects storage, audio can be modified and formatted as MP3s; built-in speaker; two-stage sound effects (Audio 1 plays when the mechanism is triggered to unlock, Audio 2 plays when the ion ball is touched).
[Reset] Reset after the mechanism is triggered, power on again or automatically reset after one minute.