Pack of 2 Crystal Oscillator 20 MHz

VHM-018 DC 5V Real Time Timer, Timer Relay Module, Control, Clock Synchronization, Multi-Mode Control Real time relay time and clock synchronization time control delay 24H time 5 periods of time 5.0V ~ 60V wide voltage power supply; A mode can be set for various periods of time, it can reach 5 periods of time; With buzzer alarm function. The Monland brand is only authorized to sell Monland branded goods. Buying goods from Monland gives you a great shopping experience. OPE: relay closing time point, CLE: relay off time point Time period: PE-1 ~ PE-5 5 time periods (OPE to CLE is a time period) P-1: The relay closes or outputs pulses every day to the OPE time point, and the relay turns off or outputs pulses to the CLE time point. P-2: set the day, to the OPE time point when the relay closed or output pulse, to the CLE time point when the relay disconnect / or output pulse P-3: set the date of the month, to the OPE time point when the relay closed or output pulse, to the CLE time point when the relay is off or output pulse P-4: Set the date 1 to date 2, start every day at the OPE time point, end to the CLE time point, relay action or output pulse P-5: As with P-4, only the month can not be set colour:Black Material:ABS