Features:

• 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.