Input frequency range:10Hz~100KHz Input voltage range: 0.1V~ 10Vpp Maximum output amplitude:5V Working voltage:5~12V Size: 39*28mm P1 interface: VDD: positive power supply; GND: negative pole of power supply; P2 interface: CH1: channel input signal. CH2: Channel input signal. GND: negative pole of power supply; P3 interface: CH1: channel output signal. CH2: Channel output signal. GND: negative pole of power supply;
Package:1*Dual Channel Zero Crossing Detection Module