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PROLUX VOLT-SAVER SECURITY ALARM w/LED INDICATOR
Prolux On-Board LED Battery Checker for NIMH 4.8~6V, LiPo 7.4~11.V.
Features:- Used on receiver's battery-check
- Can indicate 4~5C Ni-Cd/MH & 2~3S LiPo battery
- Shows battery status in three differnt colors of LED
- Plugs into any open receiver channel