Portable Insect Repellent USB Rechargeable Ultrasonic Type Suitable for various uses such as outdoor activities, touring, camping, fishing, baby products, and pet insect repellent. It is safe, environmentally friendly, and harmless to people and pets. This product is effective against mosquitoes, cockroaches, flies, and mice! The product emits no electromagnetic radiation and causes no noise pollution, making it safe and environmentally friendly! This device is based on physical principles and uses electronic simulation technology to repel pests like mosquitoes. It stimulates the brains of mosquitoes and insects with sound waves. USB Charging: DC/5V 1-2A, Operating Voltage: 3.7V, Static Operating Current is less than 1.5uA, Dynamic Operating Current is less than 1.8mA, Operating Frequency 13-75KHZ (Automatic Cycle Scan) Power Supply: Built-in Polymer Lithium Battery 100MA.3.7V. The working light is always on when the power is on or charging. Effective Range: 10-60㎡ Notes: 1. This product can be used with USB power adapters, computers, mobile power banks, and other products. 2. If this product is not used for a long period. Please turn off the power. To ensure the normal lifespan of the product. 3. To ensure the stability of product use, we recommend using a 5V-2A branded charger or mobile power bank. Product Size: 44.5 * 12.5 * 62mm Product Model: Black Material Composition: ABS Resin Number of Boxes: 1 Packaging Size: 8 * 6 * 2CM DC: 5V / 1-2A Rated Power: 0.007W Operating Current: 1.8mA Battery Capacity: 100 mAh Sound Frequency: 13-75khz Effective Range: 10-60㎡ Battery Type: Polymer Lithium Battery Output Frequency: 13KHZ~75KHZ Charging Method: USB Charging (Supports Fast Charging) with Cable Product Features: (6-band ultrasonic infinite loop scan) *Transaction rules are listed in my profile. Please read them before asking questions or making purchases. #DisasterPreparednessGoodsHighLuminosityFlashlight #DisasterPreparednessGoodsPaperSoap #DisasterPreparednessGoodsTourniquet #DisasterPreparednessGoodsInsectRepellent #SurvivalFireStarter