Pichler LiPo Alarm Plus 2-3S 18086
When the battery charge runs low, this device emits a loud buzzing sounds and an LED lights up brightly. Can also help with a crashed or lost model too.
Dip switch for manual switching from 2S to 3S.
Technical data:
Mode: 2S or 3S LiPo
Weight: 3g
Trigger threshold: Ã 3.3V / cell