AD-4406 AC/DC Powered Digital Weight Indicator Features: 1/40,000 Display Resolution, Mount on Table, Wall, desktop or Panel Mount (Bracket Standard), Comparator Function & Optional Relay/Transistor Output, HI/GO/LO Comparator & Simple Weighing-In Comparator Can be Selected, Front Panel is Waterproof, Protected to IP65, Counting Mode, Digital Linearization, Standard RS-232C Interface, Protected From EMI & RFI Interference, AC Power From Optional AC Adapter. (See Options and Accesssories).