Features: Brand new and high quality AAA Fake batteries cannot be used in parallel, only in series. Do not mix with real AAA batteries. Detachable design acts as a power switch, passing through the small hole of the cover for easy use. If your device needs 1 battery, choose the 1.5V version. If it needs 2 batteries, choose the 3V version, and so on. The green dummy battery acts as a conductor. No need to replace batteries frequently: With this AAA battery eliminator, you won't need to buy numerous replacement batteries when yours run out, saving you time and money. Powered by USB chargers, USB power banks, car USB chargers, and more USB adapters. Comes with a 2A USB power adapter for easy use. The USB adapter can also charge your mobile phone, tablet, and more. Replaces 1 to 4 pcs 1.5V AAA batteries: This eliminates the need for 1 to 4 pcs 1.5V AAA batteries. The green AAA dummy battery acts as a conductor (no power). Suitable for beard trimmers, toothbrushes, makeup mirrors, cameras, flashlights, drones, radios, electric toys, holiday LED lights, clocks, luminara candles, walkie-talkies, calculators, power banks, keyboards, Christmas advent calendar displays, Walkmans, and more AAA powered devices. Specifications: Color: Black Material: Plastic Power Cord Length: 110 cm/43.3 inches Power Adapter: AC 100-240V 50-60Hz, USB Output: DC 5V 2A Dummy AAA Battery Output: DC 1.5V/1.5A, 3V/1.5A, 4.5V/1.2A, 6V/1A (optional) Note: 1. Transition: 1 cm = 10 mm = 0.39 inches 2. Please allow 0-1 cm error due to manual measurement. Please ensure you don't mind before bidding. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1x AAA Battery Elimination Cord 1x USB Power Adapter