12V 3A 36W max AC DC switching power supply adapter (Input 100-240V, Output 12 Volt 3 Amp) wall transformer charger for DC12V LED strip lights CCTV cameras. Item No.: LS-PW36-12V3A • It means that it can supply with all amperage which smaller than 3000mA. • 12V 3A power supply fits for many 12V household electronics like DVD player LED LCD screen which DC input rating current is less than 3000mA by customers design.