Feature: 1. New high quality The turn signal lamp is attached to the motorcycle helmet and has a fairly obvious warning effect, especially in foggy, rainy or snowy weather, at night or in a dark environment, thus effectively preventing rear collision and ensuring driver safety. 2. This product is common to all kinds of motorcycles on the market. 3. 20 minutes of autonomy every day for a month (excluding batteries) 4. Life time is 5000 hours 5. Glue 3*M, the best glue to ensure that your kit will not fly away at high speed. 6. Flashing all the time, three stop mode warning specification: Material: PVC Size: 380 * 35mm El thickness: 2 (mm) Weight: 120g Size: 380 * 35 (mm) EL power supply: 3V Application: Compatible with any helmet. Battery: 2 AA batteries (not included) The package includes: 2x luminous stripe (Or 4x luminous stripe) 1 x 1 meter extension cable 1 1x battery box 1x one to two lines( Or 2x one to two lines)