TIP POSITIVE 5.5 mm x 2.5 mm / 2.1 mm TIP POSITIVE 9V DC Power Cord with 5.5 mm x 2.5 mm / 2.1 mm barrel plug NOT TIP NEGATIVE cord. Please would make sure the polarity of your devices needed. Incompatibility Incompatible with the devices require 9V Tip Negative e. g. Tip negative musical instruments Keyboard Guitar Pedals Boss PSA pedals etc. Compatibility Compatible with Recorders Speakers CCTV cameras Radio and more devices required 9V tip positive. 9V 2A Max.
Output Input: AC 100V-240V 50/60Hz.
Output: DC 9 Volt 2 Amp (2000mA) 18 Watts Max. Short Circuit Protection Multiple Protections with smart chip to ensure the safety and stability: automatically overload cut-off over voltage cut-off over temperature cut-off short-circuit cut-off.