CL-8CH 9vdc external dc jack only.  Use 9v 500ma transformer or attach a 9v batt strap to power jack plug for portability - 8 Channel, Sequential Flash; 30-50 feet PER CHANNEL.  8 connectors included and dc jack plug included.  **PLEASE NOTE, POWER SWITCH IS MIS-LABELED; ON is OFF AND OFF is ON**

CL-8CH 9vdc external dc jack only (use 9v 500ma transformer or a 9v batt strap to power jack plug for portability) - 8 Channel, Sequential Flash 1,2,3,4,5,6,7,8; start over, 1,2,.....; it steps about 1+/- second per channel - varies with load. rated for 25-50 feet per channel.