Easy-to-use true RMS CAT IV multimeter automatically selects AC or DC voltage when connected to live circuits. Added features include a rugged IP67 waterproof and dust tight housing, a built-in flashlight and non-contact AC voltage detector, and Auto-Hold for fast touch and hold readings. Automatically switches to AC or DC voltage if circuit is live True RMS readings provide accurate results Auto-Hold function for quick touch and hold readings Built-in non-contact AC voltage detector and LED flashlight for added convenience Rugged IP67 water-proof and dust tight housing and CAT IV 600V safety rating, UL listed