telebrands light bulbs they sell light bulbs that come wih a pull change and you supply 4 aa battries and they're work for along time.i used 3 different sets put 3 or four battries in, the light only lasted a few hours.they, instabulb.com made by telebrands, Internet
telebrands sell instabuble that are suppose to be long lasting pull chain or on always you putin 4 aa battries,i bought them and they only lasted a few hours.8 bulbs cost me $50.00 bucks and change.they offer a %100 gauruntee but you have to pay return postage which is about the same as the product.