The Extech 381626 is a versatile and compact 8 function pen style digital multimeter with logic test. The compact pen design is ideal for field technicians as well as bench testing and repairs on electronic equipment. Found in few DMMs, the highly useful logic testing capabilities of the Extech pen meter easily identify a high or low logic threshold level of TTL or CMOS digital circuits in electronic components. With extra fuses, test lead and alligator clip, which stows when not in use for easy storage and operating instructions. - Auto power off to conserve battery life. Autoranging with data hold and range hold functions. Safety probe tip can be stored when not in use. Overload and low battery indication. Complete with extra fuses and test lead with alligator clip