#vortexion #Addition Cube Design These are markers to prevent tripping on guy ropes at night. Simply open the lid and insert a CR2032 button battery into the light-emitting circuit board. Wrap the rope around the spiral part of the main body and place it over the peg. Waterproof. *Batteries not included. Please prepare separately.* ■ Set of 4 flashing bulb circuit boards The light has only 3 flashing patterns and no constant-on mode. *※1* 1. Fast flashing 2. Slightly slow flashing 3. Rainbow, even slower flashing *※1* To use a constant-on mode, you will need 4 constant-on LED circuit boards. These are also not included, so please be aware. Retail Price: ¥2,750 (tax included) Size: Diameter 4.3 x Height 7.3cm, Inner diameter 3.5cm Power Consumption: Lasts 66-70 hours Thank you.