Features: Display w/ LED; Output Wave: Triangle, square, sine, pulse, TTL level, single pulse, 50Hz fixed sine ; Output impedance: 50; Amplitude: 1mV-25Vp-p; Square rise-time: 50nS; VCF: 0V-10V 1:100 3.5 digit display frequency with protective circuit; Size: 32x24x10(cm) ; Weight: about 3kg.