inputs.text: shipped quickly used immediately - okay simple device mine came without manual func button tells hz frequency using unless hi c mode standard lab equipment tested fairly well homehemade inductors capacitors wanted know values gets tricky could not give 5 stars without manual not sure device initialized properly things use hi c normal cx capacitance get roughly value rounding units measure differences big custom capacitor get 15mf drops 10mf huge value way beyond expect using normal cx mode get 9000uf 9nf number makes sense not match calculations 3 times larger cannot trust completely quality good price comes wall adapter using save batteries not tried usb cable without manual not sure power works computer fashion