WhiteLiteA(R) 600BT is a high powered 600 lumen front light with four brightness levels. USB rechargeable with BluetoothA(R) 5.0 enabled wireless control and features a built-in remote control button for compatible rear light. The Dual Zone refractor lens allows clear near and far visibility by focusing the main beam downward to prevent blinding pedestrians or oncoming traffic. Included handlebar mount and stem mount provide mounting flexibility.MAX LUMINOUS INTENSITY: 600 LumensLAMP: Cree XP-L2 LED, LAMP HOUSING: Forged aluminum / Engineering grade polymerBATTERY: 3.7V 1400mAh Lithium Ion (integrated), CHARGE / CHARGE TIME: USB Type-C / 2 hr (APPROX), RESERVE TIME: 0.5 hr, INPUT: Quick charge 2ACONTROL / BURN TIME (APPROX): High - 600 lm (3.5 hr)Middle - 300 lm (5 hr)Pulse - 300 lm (20 hr)MOUNT: Handlebar Mount (25.4 - 33 mm, shim included)Stem mount (with rubber strap)WATERPROOF: IPX 6SIZE: 8.5 x 3.5 x 3 cm / 3.3" x 1.4" x 1.2"WEIGHT: 110 g / 3.88 oz (Light only)ADDED FEATURES: Dual zone refractor lens, Low battery indicatorManufacturer Sku: TMS103BTTodson Sku: 65002103