Describe Long Working Time & Rechargeable: Built-in rechargeable battery (500mAh high capacity), no need for AAA battery, cost saving. Charged by any 5V USB device such as USB adapter, laptop, USB adapter STYLE AND EASY TO INSTALL PERSONAL: Stylish aluminum alloy housing with built-in magnets, you can easily install these light bars in 2 ways without any tools. Method 1: The iron adheres to any bumper inside the refrigerator, grill, or gun; 2: Use the included metal tape and double-sided tape to stick to all non-material clean surfaces. Place Anywhere: The perfect smart security light for cabinets, hallways, porches, wine racks, bathrooms, passageways, anywhere you need a light. Do you need security lighting, e.g. ...