While you're home, power your hobbies with Gens Ace and Tattu. Get the batteries, and your adventure starts. Gens ace &tattu will launch 7-day flash sale and with an unbeatable price. This promotion combined with 2 parts, one is every day ‘s flash sale, only show 4 products a day, every day is different last 7 days. Another part is usual discount 15% for rest products, just for that man who missed the flash sale. Now let me introduce them.