Features: Bulbs: 10 LED, 50,000 hours Lithium lifespan Battery: 3.7v 1000mAh, 500 cycles lifespan for charge/discharge. Size: Length 7.5" * Thickness 0.5" * Wide 1.4" Housing: Aluminum Package: 3 * LED Cabinet Light + 3 * Metal Strip with Double Sided Tape + 1 * Instruction + USB Charging Cable About this item 【LONG WORKING HOURS & RECHARGEABLE】: Built-in rechargeable battery (1000mAh high capacity), no need AAA batteries, save cost. Recharged by any 5V USB devices (like USB adapter, power bank, laptop) with charging cable included. 【ELEGANT STAFF & EASY TO STICK】: Elegant aluminum alloy shell with magnet inside, easy to install these light strips without any tools in 2 ways.WAY 1: Free adsorption on any ironwork surface, e.g. refrigerator, barbecue or inside the gun; 2: Stick on any non-ironwork, clean surfaces with the included metal strip and double-sided adhesive tape. Portable and free exchange places by your desires. 【PLACED ANYWHERE】: A perfect smart security light for cabinet,