Feature: 1. COMPATIBLE BATTERY MODEL: This battery holder is compatible with AAA batteries, convenient to replace and use. Can provide a wider range of applications for powering devices. 2. 2 BATTERY CAPACITY: The AAA battery holder adopts a 2 position design, which can carry 2 AAA batteries at the same time. With 3V output ensures stable power supply effect. 3. WITH WIRE: This AAA battery holder case with wire is convenient for connecting circuits and devices. The length of the wire is about 15cm, red is positive and black is negative. 4. COMPACT AND PORTABLE: This AAA battery box has a compact structure and is lightweight, easy to carry and install, it will not add extra burden, making your use easier. 5. PREMIUM MATERIAL: The AAA battery case shell is made of premium ABS material, with high hardness and wear resistance, which can guard the internal battery well, with longer service life. Specification: Item Type: AAA Battery Holder Material: Plastic, Metal Wire Length: Approx. 15cm / 5.9in Specification: Red Positive, Black Negative. Package List: 1 x AAA Battery Holder Note: 1.Manual measurement, please allow some errors.2.Shipped without batteries.