UT33A Palm Size Digital Multimeter is the perfect size, shape and design for using in one hand. It is a powerful electrical multimeter that is suitable for a wide range of working environments. It is capable of measuring AC and DC voltages of up to 500V in four and five measurement ranges respectively. It is also capable of measuring AC and DC currents of up to 10 amperes in six measurement ranges. Additionally, it can be used to measure resistance of up to 40 mega ohms in six measurement ranges.