Solar panel: 5V * 130mA monocrystalline solar panel Battery: 18650 lithium battery 3.7V/1200mAh Function: 24+segment high-frequency ultrasonic sound and light alarm mode+night multi segment high-frequency ultrasonic sound and light alarm mode+24+night sound and light general alarm mode+night sound and light alarm mode<br><br>Installation method: Plug in/Wall mounted Charging method: solar charging Charging time: solar energy Greater than 8 hours Light duration: sensing for about 30 seconds, sound and light alarm Greater than 150 times, charging once, working for 8-10 rainy days, shutdown standby Greater than 300 days Alarm sound: Low frequency 129 decibels * 2 channels, high frequency 12KHZ-44KHZ * 2 channels. 5-8 meters (affected by ambient temperature) Colour:Green Material:Plastic<br><br>Package Contents: 1 * Solar Motion Sensor Alarm 1 * Insert Plug