Compatibility--12V 3A power adapter replacement with 10 tips, regulated 12 volt 3 amp power supply compatible with LED Strip Light, CCTV Camera, BT Speaker, GPS, Webcam, Router and more other 12v 3a devices. DC 12v 2.5a power supply transformer compatible with 12V charger 3000mA-2000 mA; 1000mA; 1500mA; 900mA; 800mA; 700 mA; 600mA; 500mA; 400mA; 300mA; 200mA; 100mA universal 12v class 2 power supply devices Specification--Input: AC 100V to 240V 50 to 60HZ Output: DC 12V Max 3A; 10 pieces standard wall 110v to 12v converter charger replacement jacks. Plug Polarity: Inner positive Outer negative; Plug Size: 5.5 mm 2.5 mm (applicable 2.1 mm). ONLY FOR 12 VOLT DC POWER SUPPLY UNIVERSAL DEVICES. The highest Output is 3A 10 Interchangeable Jacks--10 Pieces different sizes replacement dc 12 volt plug connectors which can be used for most of your dc 12v power cord devices. Regulated dc 12v power replacement safe charging for your dc 12v 3A devices, more choices to DIY adapter projects and easty to carry Reliability--CE and FCC listed charger for electronics regulated switching 12v power supply has checked to work with 12v adapter 3A max electronics equipment. OVP: Over Voltage Output Protection. OCP: Over Current Output Protection. SCP: Short Circuit Output Protection What You Get-- 1 Piece 12V 36W max universal electronics AC to DC charger, 10 pieces different size dc jacks, 1 piece Polarity Spare Line, 1 unit Instruction Manual. If you have any questions about our dc 12v power adpter for your electronic equipment, please contact us before you order 12V 3A Power Adapter with 10 Interchangeable Jacks