%, , Monocrystalline silicon solar panels with an energy conversion rate of up to 23%, Built-in high-capacity 9000mah batteries, A complete charge can make the camera work for 60 days or more, High quality battery and less charging times enable the camera to be used for more than 8 years. Always-On detection, Audible & Flashlight AlarmWith CQ1 camera, the Passive Infrared Sensor is always on,When a warm body like a human or animal passes by,It will first trigger the PIR sensor, and then the PIR will activate the camera in a period of more than 10 milliseconds. If it is at night, it will also activate spotlight. If the Alarm Flash feature and Alarm Siren is on, device will automatically flash and sound an alert when the motion sensor is triggered.