OP oacute cycle relay pulse trigger switch module bi-directional control board multi-function YF-38 1. Adjustable functions and time: the op oacute relay has strong non-interference ability, 38 mode support adjustable function and adjustable time 2. Plug-in terminal block oacute;w: switch relay op oacute;n adopts pluggable terminal block oacute;w, making the wiring more convenient 3. ABS shell: switchgear use ABS shell, good quality oacute;w material, so the module is sturdy and durable 4. Widely used in control: the relay board is widely used in water pump control, motor control, solenoid valve control, light strip control 5. CW and CCW support: this motor bi-directional multi-function op oacute module; switching support CW and CCW, more flexible and convenient to use Specification: Item type: op oacute relay Product model: YF-38 Output current: within 10A Timing range: 0.01 second - 999 minutes adjustable How to use: Setting instructions oacute button: 1. Power on and displaying "--" to indicate standby; Press K1 for the first time (need more than 1 second to prevent false trigger). 2. Screen displays: p-1 enters function setting mode. 3. In function setting mode, press and hold K1 for about 1 second to switch channels. 4. Then briefly press K1 to adjust the time or number of times you need to work. 5. In K2 setting mode, K3 adjusts the addition and subtraction mode and time. 6. K4 adjust decimal point (time unit) Decimal time unit description: X.XX decimal point in hundreds, time range: 0.01 second-9.99 second decimal point, timing range: 1 second - 999 seconds XXX. Decimal point in ones place, timing range: 1 minute - 999 minutes Package list oacute;w: 1 x op oacute relay Note: Please allow 0-3mm error due to manual measurement. Thanks for understanding.