Replacement adapter for some instruments. Switching power supply - no transformer.

Input voltage range: 90 to 264 V AC
Input Frequency: 47-63 Hz

Output voltage: 12V DC
Max. Output current: 3.0 A

Length of cable 1.5 m

Output connector: External diameter 5.5 mm  minus polarity - ;  inner hole 2.1 mm + polarity 
Weight: only 136 grams!!