I buy these for employees to use on the shop floor. The batteries seem to last ok and the are fairly durable and accurate.

Fowler 54-101-600-1 Stainless Steel Frame Xtra-Value Cal Electronic Caliper with Super Large Display, 6" Maximum Measurement https://www.amazon.com/dp/B00B5HKUCK/ref=cm_sw_r_cp_apa_PGlHAbJGWW60P