Used a few times, but stored in a clean condition. Both AC adapter and batteries can be used. Operation confirmed. It worked when I connected the AC adapter. 【Size】 W295 x D145 x H168mm AC adapter / W57 x D80 x H49mm (Excluding protrusions) Power cord / Approximately 108m 【Power Supply】 6 alkaline batteries AC adapter 【Dust Box Capacity】 Approximately 4L (about 20 sheets of A4 copy paper) 【Continuous Usage Time】 2 minutes 【Battery Usage Time】 Approximately 40 minutes Please take a look at other recommended products from the link below if you'd like (⌯'ᵕ'⌯) ↓↓↓ #Akira✨Mall