Specifications:

Solar energy

Electric Connection-Sentry

Solar energy-Sentry

Power-on + speed measurement-Sentry

Solar + speed measurement-Sentry

Power-on + monitoring-Sentry

Solar + monitoring-Sentinel

Catch + Shoot-Sentinel

Solar + capture-Sentinel

Linkage-Sentry

Speed Measurement + yellow flash + Voice + power connection

Speed Measurement + yellow flash + Voice + solar energy

Power-on + speed measurement + capture + Sentry

Solar energy + speed measurement + capture + Sentinel

Power-on type