1.Multi functions 2.Excellent EMI design,good EMC performance 3.5.7"high ... probes, satisfies various inspecting demands, attains a perfection of any scan. 2. Features -Square wave impulse transmission, pulse width adjustable, can be ... dB, step length 0/0.1/0.5/1.0/2.0/6.0dBRectificationPositive, Negative, Dual, RFLCD display5.7" high brightness ...