Gi?i m?i (bao g?m t?t c? gi?i nào có s? thay ??i, c?p nh?t m?i ho?c ?i?u ch?nh)This item consists of a Lithium-ion battery. Don't mix with strong squander stream. Spent batteries need to be disposed of by an experienced recycler or dangerous resources handler for each nearby restrictions.Compact and rugged, this oscilloscope is ideal for indust