Item specifics: Battery USB charging adapter Product name: MT-ADPO5 Product size: 10.5cm*7.5cm*4.5cm Single packing size: 11cm*8cm*5cm Product net weight: o.1kg Product gross weight: 0.14 kg Characteristics: Features: 1: Turn on the night light switch, press the button to turn on, turn off the main switch or press the button switch to turn off. 2: Turn off the switch to stop part of the output 3: 14.4/18 VMT lithium battery compatible 4: Output 5V 2.1AMAX 5: Compatible with all mobile phones, with identification function. 6: Night light brightness is up to 5LM Low voltage protection: 1: Four strings of 14.4V lithium battery ground voltage, 11V output lock 2: Five strings powered by 18V lithium battery, 13V lower voltage curfew Package Contents: 1*USB power source replace ADP05 Notes: 1. Due to different measurement methods, the measurement allows an error of about 2-3 cm. This situation is not a quality problem. (1 inch = 2.54 cm) 2. Due to different lighting and screens, the color of the product may vary from the original color. Please prevail in kind.