The TridenX 1300 sets darkness ablaze with its 1300 lumens fitted in a triple beam design utilizing CrossFire beam optimization, maximizing your visibility angle and throw. Exclusive OSPR Technology lets you fine tune your brightness and flash speed settings directly on the light without external hardware or software. Its aluminum alloy build ensures a high performance lighting system while maintaining its sleek, light weight design. Power through the night with the Xtra battery version, doubling the run time of the standard battery. OSP patent pending. 8 lighting modes: Bicycle: Boost High Medium Low. Special: SteadyPulse Day Flash Slow Flash Walking. OSPR Technology lets you fine tune brightness and flash speeds no external hardware or software needed patent pending. SteadyPulse alerts night time motorists with pulse flashes while constantly lighting your path. Day Flash enhances rider visibility in peak daylight. High capacity Li ion battery with premium grade Panasonic cells frame mount. Built in light mode and battery level indicators. Handlebar mount securely clamps to 25.4 to 31.8mm diameter handlebars. This product includes: TridenX headunit, Xtra battery, wall charger, Locktite tool free handlebar mount, helmet mount, 36 battery extension cable.