lighter than air
The light source consists of 35 ultra strong diods hanging in a helium baloon, with adjustable floating hight. The price is not so usual for a helium baloon: $1000USD!
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the only problem is that the helium steadily leaks away.. so about one week aftger purchase it my not be floating anymore.
hi, i am interested in ur products. can u give the details is day lamp or tungstung lamp.can u give the details of price