1200Lm Lumens 3 Modes XM-L T6 LED Bicycle Light Headlamp Q5 USB Features: 1. Specially designed with USB power port, perfect to be used with power bank, enables you to totally get rid of carrying the cumbersome battery 2. Adopts the circuit of XM-L T6 LED whose output brightness can up to 800LM & There are 3 different lighting modes for your option 3. Durable aluminum alloy crust, abrasion resistance & Equipped with 2X elastic rubber rings for your easy installation 4. Suitable for various kinds of outdoor activities, such as cycling, climbing, fishing, hunting, camping and other outdoor activities Specifications: Item Type: Headlamp & bicycle light Luminous Flux: 1200LM LED Quantity: 1pcs Light Color: White Port: 1 x USB 2.0 male Working Voltage: DC 3 ~ 20V Modes: Strong / Weak / Flash Button Function: Mode selecting & Off Housing: Aluminum alloy Color: Black & Silver USB Cable Length: 55cm Headlamp Dimensions (L x Dia): 55 x 42mm Weight: 100g