This Rx LiPo Monitor is designed and manufactured in Canada.  The Sentinel Rx LiPo Monitor 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 all R/C receivers that involve models such as helicopters, planes, cars, trucks and boats.