The App View Solar Powered Parking Sensor is an excellent, easy-to-install upgrade for improving driving safety. After the initial charge, the Parking Sensor will effortlessly recharge with natural daylight, removing the need for a wired power source. Intelligent, G-Sensor Technology maximizes power draw efficiencies when not in use, minimizing battery drain. The Type S Drive App provides visual and audio alerts to keep drivers safer behind the wheel.