Halcyon Flare 5.2 Std. Cord With Charger11,500 lux at 1m (3ft) 1700 lux at 3m (10ft) on high power Approx. 5 hours burn time on high and 10 hours on low All the power and performance of the Focus 1. 0 but without the adjustment to change the focal length. Many highly experienced divers still choose the Flare 1. 0 for simplicity and a smaller profile. Without focus module, the total length of the light head is reduced making it ideal for smaller hands.