LED constant PWM current driver with plastic case,DC12-24V input,6*1W/320ma or 3*3W/640ma output;support PWM dimmering,3channels AT2160P ... ;LED constant PWM current driver, DC12-24V input,6*1W/320ma or 3*3W/640ma output;support PWM dimmering,3channelssize: 40mm ... : LED constant PWM current driver with plastic case,DC12-24V input,6*1W/320ma or 3*3W/640ma output;support PWM dimmering,3channels