Input: 100-240 V AC 50/60 Hz Output: DC 3V 1 A (1000mA) 3W max Body size:7.6cm*2.6cm*4cm Cord Length: about 92cm (about 3ft) DC plug size: 5.5mmx2.5mm; 5.5mmx2.1mm compatible Power Polarity: Inside (+), Outside (-) Package included :1pcs 3V 1A power adapter Note: 1)Please check DC socket type, Power consumption(must not exceed the Max output of the adapter) and polarity. 2) Non-waterproof, don't use it outdoor. Application: Used for set-top boxes, attendance machines, routers, game consoles, repeater, players, mini speakers, headphones, Security equipment, LED lamps, communication equipment, audio-visual products, digital products.