This is the Western Robotics Sentinel Rx Volt Monitor. The Sentinel Rx Volt Monitor is designed and manufactured in Canada. The Sentinel is universally designed to work with all popular brands of radio control receivers and will monitor the voltage level under all conditions. It is equipped with a servo plug that provides easy installation on your R/C receiver, and is compatible with all R/C models such as helicopters, planes, cars, trucks and boats.
- Acts as an insurance for any R/C vehicle investment.
- Compact waterproof design works in any hostile environment.
- Monitors receiver voltage 4V to 5V.
- Ultra low power consumption with operational voltage as low as 4V.
- LED status indicator gives visual feedback.
- Easy installation and no hardware required.
Weight: 6 grams