Coming with OIML R76 & EC type-approval, the brand new WDW Weighing Scale is a graceful weighing scale with dual-range division and water-proof structure. Internal rechargeable batteries are fitted to the Waterproof Scales to eliminate the need for AC power outlets in the wet environment. This steady WDW scales also reserved an optional RS232 interface to connect with printer device . If you need a durable scale that can stand up to the water house, this WDW scale will be your best choice.