One-set alloy shell ,wholly airproof designing. Super high bright LED display window ,rapid reading ,high precision, Allow loading wireless remote control for zero setting Separation of scale from meters ,wireless data transmission Stainless steel hull . safety overloading 25% plete functions ,easy use Continually use more than 80 hours . protable indicator. Strictly in accordance with OIML R76,GB/T118883-2002 Quality :standards ,and European CE directives Aluminum casting case , highly firm hook and ring ,special loadcell for safty installation High quality components used on PCB for long time stability 56mm high character display ,30m distance in sight,applicable in storage ,texitle .metallurgy industry ,etc Automatic battery voltage checking ,electricity saving,power off, and overloading alarm,with wireless remote controller,and dedicated charger ,easy for operation Suitable for steel,bolt,plastic,metal,etc.