Battery Eliminator Output 0-2,4,6,8,1012v 3 Amp AE-1205-A3 

Battery Eliminator for Genera lab uses
Safe and reliable source of low voltage DC for use in class
rooms for various experiments while avoiding Battery / Dry cell
Battery Eliminator with full wave silicon diode bridge rectifier.
Transformer Double wound Using copper wire
Lamination high grade to avoid losses
Box with banana Terminals
ON / OFF switch Jewel, light etc
Input 230 Volts AC 50 Hz.
Output 2, 4, 6, 8, 10, 12 Volts in steps
Complete with connecting banana plugs terminals for wire