3AM PD24V30W series adjust the output value by coarse adjustment and fine adjustment knob on the panel to individually perform 16-segment, which can change to total 256-segment settings. Each channel of PWM pulse output can provide 30Watt of power. External control can be used through RS-232 Protocol. Based on the number of lights used, 1 or 2 channel models can be selected.

Features:
1.Adjust the output value by coarse adjustment and fine adjustment knob. 
2.PWM pulse output. 30W/CH output power.
3.Mains Voltage: AC100~240V
4.1CH/2CH/4CH/8CH available.
5.RS-232 interfaces.
I agree