Model PS-18964.
12V 500mA UL-Listed Power Adapter, 100 - 240VAC to 12 VDC, .5A

12V DC 500mA UL power adapter with 5.5mm x 2.1mm plug.
Input: 100~240V AC, 50-60Hz, 0.2A max.
Output: 12V DC, 500mA
Center positive DC connector
Security camera grade
Wire length (ft.): 5' (1.5m)
Dimensions (in.: 2.28" (L) x 1.85" (W) x 0.98" (H)
Weight: 80g
Safety approvals: UL/cUL/FCC