Battery Tester and Quartz watch analyzer with impulse tester. The tester will test most lithium, silver oxide batteries (low and high drain), button cells in watches, calculators and small electronics. The analzer offers a unique feature that tests the electronic pulse of a watch without opening the back. The unit will beep and a flash indicator will determine if the battery and circuit are working properly. It also features a detachable two wire cords to test coils of a watch. The tester comes with an analog type meter with a 5 position selector switch. A handy tester for collectors, hobbiest, watch makers and indivuals. Instructions included. Size: 3 7/8" x 2 1/2 Manufactured by Paylak Tool