What type of power cable does it use?

The light can just be plugged in any power unit and it turns itself on when it gets dark and off with the morning light. Most clients use a standard 3 prong connecting cord (already attached to the unit) connected to a standard outdoor 3 prong electric cord that plugs into a standard household electric outlet. The chord that is already attached to the unit is also rated for outdoor/indoor use. This is the same for the snowflake projectors