Underneath lies a cold shoe bracket, made specifically for vintage cameras. Compact and easily portable, it can be used with either feet or meters as units. Technical specs include a temperature range from 0°-40°, an applicable range of 0.03~30m, and a size of 22*13*56mm. It runs on a lithium battery charged by micro USB and has a measurement accuracy of ±2 (mm). Made of sturdy aluminum alloy, its resolution is 1mm.