[Compatible with:] Suitable for many elctrionic equipment 18V 0.1A ~ 1A (0.1a 100ma / 0.15a 150ma / 0.2a 200mA / 0.25a 250mA / 0.3a 300mA / 0.4a 400mA / 0.5a 500mA / 0.6. 600mA to 60/ 0.7a 700mA / 0.8a 800mA / 0.9a 900ma) (If you need a 18V 1A guitar power supply, please refer to ASIN "B09N1DDWQ3") [Specification:] AC Input: 100V-240V 50/60Hz DC Output: 18V, Max Current 1A, Max Power 18W Cable length: 59 inches. DC Plug Connector Size: 5.5mm x 2.1mm Polarity: internal "+", external"-" [DC Output DC Jack Size:] Selected 5pcs various popular connectors that can be used size is, H 5.5 * 2.5mm, G 4 * 1.7mm, H 3.5 * 1.35mm, H 2.5 * 0.7mm, LED terminal connector. Check that your device is able to fit the connector. [Safe Protection:] CE certification. Deficiency protection, overload protection, over voltage protection. No need to worry about any fire, explosion or shock that occurs. [Main Material]: 1x 18V 1A AC / DC Wall Charger + 5x Different DC Connectors. If you are not satisfied with the product, you can always get in touch with us, we will refund you the full money or send you a new one as a replacement.