Ideal for food preparation and food processing. Rated IP67 so they're protected from water immersion with depth of up to one meter, making them suitable for applications that require repetitive cleaning. Dual displays offer large front- and rear-facing LED displays and allow more than one operator to use the Aqua simultaneously, enhancing user productivity. Power is supplied using the provided AC adapter or via the built-in rechargeable battery that offers up to 55 hours of continual use. The auto power-off function conserves battery life.