Feature:- Compatible with For Makita For Dewalt For Milwaukee For Bosch  18V Li-ion Battery BL1860, BL1850, BL1840, BL1830, BL1820, BL1815,etc.- 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. - Do not use for a long time, work continuously for more than 15 minutes, please wait for the temperature of the converter to drop before use;Specification:MT18V6 Adapter compatible with for Dyson V6 series VacuumMT18V7 Adapter compatible with for Dyson V7 series VacuumMT18V8 Adapter compatible with for Dyson V8 series VacuumColor:Black greyMaterial:Plastic + MetalPackage included:1 * Adapter (No battery,no tool)Only the above package content, other products are not included.Note: 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.