Liquid-cooling Light Bulb
Jul.21, 2009 in
Luminaires
Much lighter with less cost, the liquid-cooling LED light bulb saves you more money! It actually the first bulb to use liquid-cooling technology and the liquid paraffin inside it has been guaranteed to be safe. Either the desk lamp or the sconce, the 4W bulb will put out as much light as a 25W bulb and last for 35,000 hours in total.
Selling Price: $34.99
Buy it here
July 21st, 2009 at 1:33 pm
how does cooling the bulb make it more efficient?
is it so less energy is put into heat and more into light?