BATTERY TESTER BELONGS IN ALL FALCONERS TOOL BOXOur Multi-Meter digital tester can test many ranges of voltages and is great for testing many of the smaller batteries used for your falconry scales, transmitters and Receivers etc. It is always a good idea to test your batteries to be sure that your equipment will perform well in the field as well as at home. Just set the meter to 1.5V .OMA and the tester will test up to 20 volts with a nice clear digital readout on the display screen. After testing your batteries be sure to turn the tester off. Size is 5”x 2.5 x 1”, wt 5oz.