There are attachment marks on the long, horizontal board that was used to clamp it in place, as it has been installed once. Batteries will be included when shipped. Returns and complaints are not accepted. Required Tools: Angle adjustment → 4mm hex wrench Installation and fixing → 7mm socket or box wrench Battery removal → Phillips head screwdriver or flathead screwdriver Overview of Olympus ORINPAS Front Basket Mount LED LIGHT OR-210 MAEKAGO TORITSUKE YOU LED LIGHT OR-210 ● LED Light for front basket mounting (high-intensity white LED). It's noticeable from cars because the front of the basket lights up. ● With reflector. Can be mounted on either the top or bottom of the basket. *May not be able to be installed depending on the basket. ● Lighting time: Approximately 30 hours ● Flashing time: Approximately 60 hours ● 600 candela (72 lumens) ● Uses 3 AA alkaline batteries (test batteries included) ● *The included batteries are not intended to demonstrate their full performance. ● IPX4 water-resistant specification ● Materials: Body: ABS resin, Lens: PMMA, Bracket: STEEL #Basket #Light