NEW /OPEN BOX JKL COMPONTENTS LED DIMMER The dimmer is in an open box with no information Looking up the same item online it had this information: Specifications Brand JKL Components LED Driver Type LED Dimmer Number of Channels 1 Maximum Supply Voltage 24V dc Minimum Supply Voltage 12V dc Country of Origin China Product details ZDM-01 PWM LED Dimmer The ZDM-01 PWM LED dimmer, from JKL Components, can be connected between an LED driver and LED lighting modules to provide dimming control. With a maximum load of 8 Amps, the ZDM-01 LED dimmer can be used with constant voltage 12 V to 24 V LED devices. It also offers continuous single channel dimming from 100% full brightness to 20% without flickering. A small footprint makes the ZDM-01 LED dimmer deal for use in display cases and in architectural and cove lighting applications. Supply voltage: 12 V to 24 V Maximum output current: 8A Operating temperature range: -20 to +60C THANX FOR LOOKING AND CHECK BACK OFTEN AS WE ARE ALWAYS ADDING NEW AND USEFUL ITEMS :D