Meilan X1 Stvzo Bike Front Light Professional optical design, car headlights type uniform lighting Three different levels brightness area, meet the professional rider, demand for light at night, saving electric power consumption Bright dark cut off straight line design Lighting angle: 20°; strip lighting,not like flashlight point lighting LED luminance: 260Lm Cree LED, normal lighting time:4.5 hours On both side have one safety blue light, can use when the outdoor light is dark You can manually adjust brightness mode You also can set the light work in automatic mode: according to the environmental light intensity, automatic adjustment: on/brightness level/off, when you start cycling,the light automatically on,when you stop cycling 2 minutes later,it will off One red/orange/blue 3 colours power indicator light 1800Mah lithium battery,USB rechargeable,can support: when use power bank charging the light,the light also can working When battery power less than 10%,the light will automaticallyworking on low-light level Support line switch(optional) Aluminum shell, good heat resistance and service life Easy fixed on bike, the holder can be adjusted in left and right over 90 degrees Colours: Black/Red/Blue/Green Weight:90g Size:80*42*30mm Waterproof class:IPX6 Package: colour box