N912B Ultrasonic Solar Power Ground-inserted Animal Repeller 1. Solar panel: 5V 80mA monocrystalline solar panel 2. Functions: - Mode 1: 24-hour ultrasonic sound and light alarm mode - Mode 2: nighttime ultrasonic sound and light alarm mode - Mode 3: 24-hour sound and light alarm mode - Mode 4: nighttime sound and light alarm mode 3. Material: ABS 4. Charging method: solar chargingDC 5V charging 5. Charging time: solar charging takes over 8 hours DC charging takes about 1 hour (DC 5V 1A) 6. Operating time: sensing lasts approximately 30 seconds, with over 150 sound and light alarms 7. Sound: low-frequency 129-decibel alarm sound, high-frequency ultrasonic waves at 12 kHz–44 kHz 8. Built-in battery: lithium-polymer battery 3.7V400mAh 9. Sensing distance: about 5-8 meters (affected by environmental temperature) 10. Installation method: wall-mountedground-mounted 11. Size: about 9.5 x 7.5 x 6 cm, with ground plug height about 42.5 cm Features: 1. Suitable for courtyards, orchards, construction sites, farms, warehouses, and other locations requiring security alarms and wildlife deterrence 2. 4 adjustable operating modes 3. 2 charging methods designed 4. IP55 waterproof rating, operates normally in rainy weather