Product details:

The Starrett EC799 Series Electronic Calliper is light, comfortable, easy-to-use, and constructed with features that have made Starrett slide callipers the machinist's first choice for many years. The EC799 offers a slim, streamlined profile, a large, clear, easy-to-read LCD display, long battery life, and function buttons for zero and inch/mm. Electronic Calliper, 0-6 (0-150mm), w/o Output, with Plastic Case.