1-mile, 225 degrees red/green light visibility for boats up to 39.4' (12 m) in length. When not in use, lights can be removed from base and stowed, so they won?t interfere with fishing or anchoring. Includes 8-watt wedge-base lamp. 2-pin, locking collar poles are universal fit. Description 2-pin locking collar pole Height 10" Straight