LDARC / Kingkong Tiny Meter Monitor Voltage for 1S 3.7V- 4.3V Lipo Battery Specification: Brand Name: LDARC / Kingkong Item Name: Tiny Meter 1S Lipo Battery Input Voltage: 3-5 V Display Range: 3.7-4.3V (All lights bright, points at the voltage over 4.3V) Usage: to monitor the voltage for 1S Lipo Battery Weight: 1.6g Package Included:1x LDARC Tiny Meter