Input/output cable length:500/1000mm Input/output connector:for MC4 (compatible) Class of protection:IP68/NEMA6 Operating temperature range:-40°C-+85°C Dc input parameter:Max input power:600W Maximum operating voltage:60V MPPT voltage range:7-60V Maximum input current:16A Overcurrent protection value:18A Dc output parameter Rated output voltage:42V Maximum output current:16A Maximum output power:600W Maximum system voltage:1500V Colour:Black Material:Plastic Package Contents: 1 x PV Power Optimizer(The words on the product may vary due to different product batches, but it will not affect the use) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.