Apex Caustic Table Humidifier

Two type : 
9V Battery (recommended),
2xAA Battery. 

links to additional parts:

Humidifier: (Type:1) (power button must be short-circuited -in photo-)
https://www.aliexpress.com/item/1005001431699816.html?spm=a2g0o.order_list.order_list_main.721.21ef1802HVsV0w

5mm Green LED: (+ 1st 220-600 ohm resistor)
https://www.aliexpress.com/item/33020581035.html?spm=a2g0o.productlist.main.3.57aa5c11JUc7Ye&algo_pvid=83a7cc25-51ca-487b-ac11-c757913edb57&algo_exp_id=83a7cc25-51ca-487b-ac11-c757913edb57-1&pdp_ext_f=%7B%22sku_id%22%3A%2212000030916777807%22%7D&pdp_npi=2%40dis%21HUF%21278.69%21243.37%21%21%21%21%21%40212279b716713946837081517d0780%2112000030916777807%21sea&curPageLogUid=wApH3OCjwFw6

Slide Switch: 
https://www.aliexpress.com/item/4000042632226.html?spm=a2g0o.detail.1000014.9.428374143Snfbq&gps-id=pcDetailBottomMoreOtherSeller&scm=1007.40050.281175.0&scm_id=1007.40050.281175.0&scm-url=1007.40050.281175.0&pvid=c299acb3-d07c-493c-9919-b23612d23c7d&_t=gps-id:pcDetailBottomMoreOtherSeller,scm-url:1007.40050.281175.0,pvid:c299acb3-d07c-493c-9919-b23612d23c7d,tpp_buckets:668%232846%238109%231935&pdp_ext_f=%7B%22sku_id%22%3A%2210000000095184761%22%2C%22sceneId%22%3A%2230050%22%7D&pdp_npi=2%40dis%21HUF%21447.48%21282.62%21%21%21%21%21%4021032fa316713951386011821ed92b%2110000000095184761%21rec