This is the Western Robotics Sentinel Rx LiPo Monitor. This Sentinel Rx
LiPo Monitor is designed and manufactured in Canada. The Sentinel is
designed to work with all popular brands of radio control receivers and
will monitor the connected 2S Lithium Polymer battery pack voltage level
at all conditions. It is also equipped with a servo plug that provides
easy installation to your R/C receiver. This voltage monitor can be
applied to R/C receivers that involve models all such as helicopters,
planes, cars, trucks and boats. Features:
- Monitors Receiver 2 Cell (2S) Lithium Polymer Cells 8.4 to 6.2 Volts.
- Acts as an insurance that protects any R/C vehicle investment.
- Compact design works in any hostile environment.
- 10 LED status indicators gives 10 step visual feedback.
- Dot Mode Visual Display.