Product details:                                                                                                   
Feature:
- Compatible with for Craftsman 20V Li-ion / Ni-Mh battery.
- Suitable for Dyson V6, V7, V8 series handheld vacuum cleaners.
- "Red Light" means the battery is running out.
- It provides over-voltage, over-current, overheats and short circuit protection. 
Specification:
Color:Black grey
Material:Plastic + Metal
Compatible Batteries: The adapter is suitable for Craftman V20 20V lithium-ion batteries, V20 CMCB204, CMCB204-2, CMCB202, etc.
Package included:
1 * Adapter (no battery,no tool)
Note: 
This product is only an adapter and does not contain batteries!!!
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.