N911S Outdoor Solar Ultrasonic Animal Repellent 1. Material: ABS 2. Waterproof Rating: IP55 3. Charging Method: Solar ChargingDC Charging 4. Charging Time: 8 hours (tested under direct sunlight in summer; light intensity in different seasons may affect charging efficiency); DC charging: 2 hours (DC5V x 1A) 5. Functions: 24-hour multi-stage high-frequency ultrasonic sound and light alarm mode + night multi-stage high-frequency ultrasonic sound and light alarm mode + 24-hour sound and light alarm mode + night sound and light alarm mode 6. Operating Time (Fully Charged): Over 150 sound and light alarms per 30 seconds; 8-10 rainy days on a single charge; over 300 days in standby mode 7. Sensing Range: 5-8 meters (affected by ambient temperature) 8. Alarm Sound: Low-frequency 129dB x 2 channels, high-frequency 12kHz-44kHz 9. Battery Capacity: 1200mA3.7V 10. LEDs: 6 flashing red LEDs 11. Solar Panel: 5V150mA 12. Suitable for gardens, orchards, construction sites, farms, warehouses, and other places requiring security alarms and wildlife repellent.