Features:
1. Battery converter, 3x AA battery can be converted to 1x D battery.
2. The batteries are connected in parallel, the voltage is constant, and the capacity is increased.
3. Made of environmental material, harmless to your health.
4. Small size, easy to carry.
5.There is battery limit slot, can be fixed the battery in a good place.

Specifications:
Material: Plastic
Color: Transparent,yellow
Product size: 6*3.25cm

Package include: 1pc (The battery is not included)

Note:
There is 2-3% difference according to manual measurement.
Please note that slight color difference should be acceptable due to the light and screen.