Solar digital caliper manufactured from hardened stainless steel with a large LCD display. The measurement ranges from 0-150mm in metric or imperial. The solar power kicks in when the light is over 200 LUX, below that the power will be supplied by the battery. Other features include manual power on/off, zero setting in any position, internal, external and step measurements and locking screw. Supplied in a plastic carrying case for storage. CE approved and ROHS compliant.