High Quality Input: 100-240 50 / 60Hz 5-25W Output: 3kV 30mA Operating environment: -25 -40 A piece of heat shrink tubing is supplied with the transformer; it can be used outdoors after the cable connection is complete, and it can also be used to protect the outside of the cable connection. Can be used in all sizes of glass illuminated signs; you can use it in 14 inch, 17x14 inch, 19x15 inch, 24x20 inch, 19x19 inch, 18x18 inch glass illuminated signs, etc. Can also be used in glass illuminated signs in the USA, UK, Canada, Austria, etc. Fine workmanship and good performance. Durable in use. Item Type: Lighting Transformers Model Number: Neon Power Supply Note: Please check the size of the transformer before ordering. Make sure the glass tubes are in good condition, without cracks or breaks, etc. Size: about 130*31*20mm Cable length: about 10.5 inches Color: Black Material: Metal plastic Package Contents: 1 * Transformer Only the above package, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1-3 cm.