4 IN 1 BICYCLE MULTIFUNTIONAL LIGHTS Power Bank, Bike Light, Mobile Phone Holder, Bike Horn Item Name: 4 in 1 Bicycle Light Lumens: 500 Lumens Speaker Decible: 120 Decibles Size: About 120*50*31mm Lamp Beads: L2 Lightning Mode: Strong Light (5H)-WEAK Light (10H)-Flash (12H) Battery Capacity: 4000mah Lithium Battery Charging Time: 5 Hours Output Current Switch Function: Mobile Phone Holder, Front Light, Power Bank, Horn Wire- Controlled Switch, 4 in 1 Multi-Funtion