Features: 1. Function: USB Birds Repeller keep birds away from your car. No more birds droppings. Also great for mosquito repellant. 2. Intelligent frequency conversion emits a specific frequency which interferes with birds' nervous system. 3. No effect on other animals and human. Totally safe for pregnant women and infant. 4. Provides full coverage with up to 70 m effective range. No more endless cleaning on your car. 5. No noise, portable design, lightweight, perfect for car, outdoor, camping, hiking. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Type: Portable Mosquito Birds Repeller Size: 50* 13.5mm Material: ABS resin Voltage and current: DC 5V / 1-2A Rated power: 0.007W Working current: 1.8MA Battery capacity: 100mAh Sound frequency: 15-95khz Effective range: 10-70m Output frequency: 13KHz~95KHz Charging method: USB charging (supports fast charging) Product features: (7-band sound wave infinite loop scanning) Applicable scenarios: car, outdoor, travel, camping, fishing, outdoor work, etc. Package List: 1 x Portable Mosquito Birds Repeller