INSIZE Electronic Height Gage Features include... 0-24" / 0-600mm Measuring Range 0.0005" / 0.01mm Resolution Buttons: power on/off, inch / mm, +/-, data hold Carbide tipped scriber Made of stainless steel SR44 battery, with spare battery RS232 data output Packed in styrofoam with carton or wooden box Free UPS Ground Shipping to Continental US locations.