-Zone 1&2, Zone 21&22 -Die-cast aluminum body with baked epoxy powder coat finish for durability and corrosion resistance -Ultra-bright LED light source, service life is up to 50,000 hours -Designed with test buttons, convenient for regularly maintenance -The light fitting is designed with a main power indicator, failure and charging indicator, to the using status -Equipped with an explosion-proof buzzer with a 65dB-85dB voice. When the product is in fault status, the buzzer will work 1 3s every minute to remind the user to maintain the product.
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