1. USB powered, plug and play 2. Voltage overload protection, environmental protection and energy saving 3. Night light function, more convenient at night 4. Frequency conversion & resonant sound waves, radial radiation type sound waves, good mosquito repellent effect 5. Connect the mobile power supply for outdoor use 6. Physical expulsion, safe for mothers and babies, non-toxic and harmless 7. Without barriers, the mosquito repellent area can reach 50-100 square meters. 8. Material: ABS 9. Input: 5V/1A 10. Power: 0.3W 11. Weight: 15.8 grams
