Neon tube size is lightly smaller than the mounting back size, depends on the shape of the neon sign. Input voltage: 110V-240V, suit for any countries. 100% hand-made, true hand-bend, gas-filled, real glass tube neon signs! If you still need the sign, usually the new replacement parts e. We will also send you the instructions of replacing the broken glass tube, most of the buyers will solve this easily. We will help you solve this easily, thank you.