300 Lumen output ECO-Reflex Optical design incorporating anti-glare Crysta-Lite lens – Creates total reflection and refraction to transmit a more effective light beam Near range low trajectory beam – to avoid blinding oncoming traffic. Utilises American designed CREE XPG2 LED light source: Delivers premium luminaire performance Battery level indicator – when 20% power remains the on/off button lights red USB rechargeable (USB lead included) Battery type: Premium Samsung Lithium-ion rechargeable Battery capacity: 2600m Ah Battery voltage: 3. 7V Waterproof: resistant to splashing water or rain to IPX-4 rating Easy mounting with supplied embedded bracket – no tools required Function modes: Full / Half / Flash Run time constant mode : 4 hours (full), 8 hours (half) Run time flash mode: 16 hours Size: 112 x 41 x 83mm Weight: 140g Material: Metal, ABS, PMMA