AIPHONE™ power supply for JO, JK, etc... Series, surface mount. Input: 110-240 VAC. Output 18 VDC (max 3.1 Amp). 2 mt output wire included with faston terminals. 1.75 mt unpluggable cable included. ABS plastic enclosure. Size (mm) 139 x 70 x 41, weight 450 g.