Feature: 1. Output 9V 2A: Power supply adapter plug input voltage 50 60Hz, output 9V 2A, to meet the indoor power needs of many small digital devices. 2. Scope of Application: Socket power adapter for 9V 2A, maximum power 18W DC devices, for 15cm pin foam cutter. 3. With Switch: 9V DC power adapter with switch, you can turn off the switch when you need to pause during the operation of the foam cutting knife, so as to avoid trouble and reduce safety hazards. 4. Protection Function: DC power supply adapter has over current protection, over voltage protection, overload protection, short circuit protection to ensure stability and smoothness. 5. Multipurpose: In addition to the 15cm needle foam cutter, it is also suitable for CCTV camera, LED light bar, wireless router, modem, CD player, massager, DVD, toy, Bluetooth speaker, humidifier, air purifier, lighting, etc. Specification: Item Type: 9V 2A Power Supply Material: Plastic, Metal Applicable Maximum Power: 18W Applicable to: Approx. 15cm / 5.9in Needle Foam Cutter. Package List: 1 x 9V 2A Power Supply Note: Please make sure that the input and output voltages as well as the connectors and power required for your project are the same