9V DC Power Supply 1A AC Adapter 100-240V 50/60Hz to 9 Volts 1Amp Transformer DC 9V Power Cord Tip Positive 5.5mm x 2.5mm Plug & 10 Tips

Input: AC 100-240V 50/60Hz.
Output: DC 9V 1A 9W Max. Powering devices that requires 9VDC and less than 1A such as 1000mA 800mA 700mA 600mA 500mA. 80% full load is recommended. INCOMPATIBILITY
Incompatible with Keyboard and Guitar Pedal because the polarity of DC Plug is different from them. The item is Tip Positive not negative.
FIVE Protections and safety guarantees: over-temperature-protection short -circuit-protection undervoltage-protection overvoltage-protection overcurrent-protection shipment after load aging test. Widely used for Arduino UNO R3 / Nixie tube clock / Elegoo IEIK UNO R3 / MEGA 2560 / Schwinn elliptical machine schwinn bike hybrid trainer and other devices require 9V and less than 1000mA.
Universal DC Tip: 5.5 mm x 2.5 mm the
Power Cord Length: 93cm (37 in). Inside (+) Outside (-).
And 10 more Tips: 2.5 x 0.7 mm 4.0 x 1.7 mm 5.5 x 2.5 mm 5.5 x 1.7 mm 4.5 x 3.0 mm 3.0 x 1.1 mm 3.5 x 1.35 mm 5.5 x 2.1 mm 6.3 x 3.0 mm DC Terminal connector. This 11-in-1 9V 1A universal Power Adapter kit greatly expands its application scope.