Eclipse Tools MT-1510 Pocket-Sized Smart Multimeters have the appearance of a Smartphone and their compact size allows for a comfortable fit in your pocket. These True-RMS Auto-Ranging Multimeters feature stable performance, high precision and low power consumption. Its large, 3.8 in. diagonal (2.30 x 3.10 in.) backlit LCD display features 3 separate on-screen viewing areas. The bright LED flashlight on the back provides extra illumination in dark areas. The built-in Auto Off feature will turn off the MT-1510 after 10 minutes to save battery and the included TPU protective case will protect the MT-1510 from damage and provide a soft non-slip grip.