True RMS Digital Multimeters Handheld LCD Display Tester Series: digital multimeters are newly designed to offer users better performance and higher safety rating. Totally over-load protection and unique structural design make it new type of multimeter with high performance/ price ratio and a best choice for electricians used in electrical maintenance and repairing. Optional Models : Option 1: UT139A Option 2: UT139B Option 3: UT139C Product Features : True RMS for the whole series; Measure signals with varied frequency (VFC); Measure large capacitance up to 100mF; Optional AC/DC 60A current clamps in different models to measure current up to 60A (1mv 1A); NCV designed for the whole series, a necessity for electricians; AA1.5V 2(5) battery, easy for users to purchase and replace; Soft rubber holster is easy to stand 2m drop; Optional magnetic hanging strap offered to facilitate tests in special location; Fast to replace fuse, just by opening battery cover; Reliable with use of internal 2PCS fuses with high-breaking capacity; Protection against 600V input/1 minute from mis-connection; Safety Rating: CAT III 600V. Applications: An ideal tool for equipment testing, maintenance and repair widely needed in electronics, electric power, schools, metallurgy, communications, manufacturing, petroleum, national defense, chemical industry, etc. Package List : 1pcs x UNI-T UT139C True RMS Digital Multimeter 2pcs x Test Leads 1pcs x Temperature Probe