Long-term dependability performance lighting. Long-range whistle for communication or rescue. Headlamp may be used in zone 2 areas containing gas and in zone 22 in the presence of dust having a self-combustion temperature greater than 85° C at one atmosphere of pressure (85° C = maximum temperature of the lamp's surface). Operates with two Lithium CR2032 batteries (included). Waterproof down to -1 meter: IP 68. Weight: 28 g including batteries. Certification: ATEX: Ex 3 GD Ex ic IIC T6, Ex td A22, IP68 T85°C; Hazloc: certification pending.