... *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 ... controller to control it, like the below controller: AT2160P;LED constant PWM current driver, DC12-24V input,6*1W/320ma or 3 ...